/opt/lampp/htdocs/en/html/out/gongsichanpin/euhtxinpianxilie/euhtjidaixinpianxilie/index.html

TypeError: /opt/lampp/htdocs/en/html/gongsichanpin/euhtxinpianxilie/euhtjidaixinpianxilie/index.pug:33
    31|                         |!{jianjie_data.desc}
    32|                     ul.tbLink.clearfix
  > 33|                         each row in xinpian_nav
    34|                             if (catid == row.catid)
    35|                                 li.on
    36|                                     a(href=row.a) #{row.text}

Cannot read property 'length' of undefined

/opt/lampp/htdocs/en/html/gongsichanpin/euhtxinpianxilie/euhtjidaixinpianxilie/index.pug

extends ../../../module/layout.pug
block title
    title #{seo.title}
block style
    link(rel='stylesheet',type='text/css',href='/en/html/out/static/styles/plugins/swiper-3.4.0.min.css')
block script
    script(type='text/javascript',src='/en/html/out/static/scripts/plugins/swiper-3.4.0.min.js')
block content
    +header(topNav)
    +sub-banner(banner)
    +crumbs(crumbs)

    .layout-wrap
        .container.clearfix
            .layout-l-nav
                ul
                    each row in leftNav
                        if(row.catid === catid || parent_data.catid==row.catid)
                            li.on
                                a(href=row.a) #{row.text}
                        else
                            li
                                a(href=row.a) #{row.text}
            .layout-r-con
                h1.subTit
                    i
                    | #{parent_data.title}
                .euht-xinpian
                    .euht-xinpian-jj
                        h3.pro-Tit #{jianjie_data.title}
                        |!{jianjie_data.desc}
                    ul.tbLink.clearfix
                        each row in xinpian_nav
                            if (catid == row.catid)
                                li.on
                                    a(href=row.a) #{row.text}
                                    em
                            else
                                li
                                    a(href=row.a) #{row.text}
                                    em
                    .euht-xinpian-con
                        each row in data
                            if(row.title)
                                h4 #{row.title}
                            each row2 in row.children
                                .xp-item.clearfix(id=row2.id)
                                    .xp-item-img
                                        img(src=row2.thumb)
                                    .xp-item-txt
                                        h3 #{row2.title}
                                            span(style='color:#fff') ##{row2.id}
                                        .xp-txt-data
                                            |!{row2.content}
                                        a(href="javascript:;") More

/opt/lampp/htdocs/en/html/gongsichanpin/euhtxinpianxilie/euhtjidaixinpianxilie/index.json

{
    "util": {},
    "pretty": true,
    "topNav": [
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            "a": "/en/html/out/about/euhtjianjie/index.html",
            "text": "About EUHT",
            "catid": "40",
            "rows": [
                {
                    "a": "/en/html/out/about/euhtjianjie/index.html",
                    "text": "EUHT Introduction",
                    "catid": "46"
                },
                {
                    "a": "/en/html/out/about/euhtjishuyoushi/index.html",
                    "text": "EUHT Technical Advantages",
                    "catid": "47"
                },
                {
                    "a": "/en/html/out/about/euhtbiaozhunhua/index.html",
                    "text": "EUHT Standardization",
                    "catid": "48"
                },
                {
                    "a": "/en/html/out/about/euhtzhishichanquan/index.html",
                    "text": "EUHT IPR",
                    "catid": "49"
                },
                {
                    "a": "/en/html/out/about/euhtchanyehuaanli/index.html",
                    "text": "EUHT Industrialization Cases",
                    "catid": "50"
                },
                {
                    "a": "/en/html/out/about/euhtIndustrializationTests/index.html",
                    "text": "EUHT Industrialization Tests",
                    "catid": "114"
                }
            ]
        },
        {
            "a": "/en/html/out/solution/solution-gaotie/index.html",
            "text": "Solutions",
            "catid": "41",
            "rows": [
                {
                    "a": "/en/html/out/solution/solution-gaotie/index.html",
                    "text": "EUHT Intelligent High Speed Rail Solution",
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                },
                {
                    "a": "/en/html/out/solution/solution-ditie/index.html",
                    "text": "EUHT Smart Metro Solution",
                    "catid": "52"
                },
                {
                    "a": "/en/html/out/solution/solution-kuandai/index.html",
                    "text": "EUHT Rural Broadband Wireless Coverage Solution",
                    "catid": "53"
                },
                {
                    "a": "/en/html/out/solution/solution-jiaotong/index.html",
                    "text": "EUHT Intelligent Transportation Solution",
                    "catid": "54"
                },
                {
                    "a": "/en/html/out/solution/solution-gongye/index.html",
                    "text": "EUHT Smart Industry Solution",
                    "catid": "55"
                },
                {
                    "a": "/en/html/out/solution/solution-jiankong/index.html",
                    "text": "EUHT Video Surveillance Solution",
                    "catid": "56"
                },
                {
                    "a": "/en/html/out/solution/solution-wulianwang/index.html",
                    "text": "Internet of Things Solution",
                    "catid": "57"
                }
            ]
        },
        {
            "a": "/en/html/out/gongsichanpin/euhtzhinenggaotiechanpin/index.html",
            "text": "Products",
            "catid": "42",
            "rows": [
                {
                    "a": "/en/html/out/gongsichanpin/euhtzhinenggaotiechanpin/index.html",
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                },
                {
                    "a": "/en/html/out/gongsichanpin/euhtzhihuiditiechanpin/index.html",
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                    "catid": "60"
                },
                {
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                },
                {
                    "a": "/en/html/out/gongsichanpin/euhtzhinengjiaotongchanpin/index.html",
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                    "catid": "62"
                },
                {
                    "a": "/en/html/out/gongsichanpin/euhtzhinenggongyechanpin/index.html",
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                    "catid": "63"
                },
                {
                    "a": "/en/html/out/gongsichanpin/euhtshipinjiankongchanpin/index.html",
                    "text": "EUHT Video Surveillance Products",
                    "catid": "64"
                }
            ]
        },
        {
            "a": "/en/html/out/media/gongsixinwen/index.html",
            "text": "News",
            "catid": "43",
            "rows": [
                {
                    "a": "/en/html/out/media/gongsixinwen/index.html",
                    "text": "Company News",
                    "catid": "65"
                },
                {
                    "a": "/en/html/out/media/meitijujiao/index.html",
                    "text": "Media Focus",
                    "catid": "66"
                },
                {
                    "a": "/en/html/out/media/zhanhuihuodong/index.html",
                    "text": "Events",
                    "catid": "67"
                },
                {
                    "a": "/en/html/out/media/shipinzhongxin/index.html",
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                    "catid": "68"
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            ]
        },
        {
            "a": "/en/html/out/aboutus/gongsijieshao/index.html",
            "text": "About Us",
            "catid": "44",
            "rows": [
                {
                    "a": "/en/html/out/aboutus/gongsijieshao/index.html",
                    "text": "Company Introduction",
                    "catid": "69"
                },
                {
                    "a": "/en/html/out/aboutus/yuanjingshiming/index.html",
                    "text": "Vision and Mission",
                    "catid": "70"
                },
                {
                    "a": "/en/html/out/aboutus/fazhanlicheng/index.html",
                    "text": "Development History",
                    "catid": "71"
                },
                {
                    "a": "/en/html/out/aboutus/dashiji/index.html",
                    "text": "Memorabilia",
                    "catid": "72"
                },
                {
                    "a": "/en/html/out/aboutus/qiyerongyu/index.html",
                    "text": "Company Honor",
                    "catid": "73"
                }
            ]
        },
        {
            "a": "/en",
            "text": "Contact us",
            "catid": "45",
            "rows": [
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                    "a": "/en",
                    "text": "Please send emails to fenghua.chen@nufront.com",
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                },
                {
                    "a": "/en/html/out/contact-us/lianxifangshi/index.html",
                    "text": "Contact Information",
                    "catid": "75"
                }
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        }
    ],
    "leftNav": [
        {
            "a": "/en/html/out/gongsichanpin/euhtzhinenggaotiechanpin/index.html",
            "text": "EUHT Intelligent High Speed Rail Products",
            "catid": "59"
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        {
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            "catid": "60"
        },
        {
            "a": "/en/html/out/gongsichanpin/euhtnongcunkuandaifugaichanpin/index.html",
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            "catid": "61"
        },
        {
            "a": "/en/html/out/gongsichanpin/euhtzhinengjiaotongchanpin/index.html",
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            "catid": "62"
        },
        {
            "a": "/en/html/out/gongsichanpin/euhtzhinenggongyechanpin/index.html",
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        },
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            "a": "/en/html/out/gongsichanpin/euhtshipinjiankongchanpin/index.html",
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            "catid": "64"
        }
    ],
    "bottomNav": {
        "top": [
            {
                "a": "/en/html/out/about/euhtjianjie/index.html",
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                "catid": "40",
                "rows": [
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                    {
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        },
        {
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        "title": "EUHT Chips"
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        "desc": "

Nufront is the first company to put forward the concept of “Communication-Computing Integration”, while leading and promoting the developing trend of AP+BP technology. It is also the first company in the world to design and mass produce the 40nm ARM A9 dual-core high-performance computer processor. At present, Nufront has the ability to design and R&D the complete set of CPU + GPU, 2G / 3G / 4G, WiFi, Bluetooth, RF, power and PA and other wireless communications chip.

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Flexible frame length:1ms~100ms

\r\n

Waveform: CP-OFDM,duplex mode: TDD

\r\n

Subcarrier spacing:78.125KHz

\r\n

Support 20MHz/40MHz bandwidths

\r\n

Support 2x2MIMO,MCS0~MCS23,MCS56~MCS61

\r\n

Support four modulation modes: BPSK, QPSK, 16QAM, 64QAM

\r\n

Support BCC、STBC encoding mode

\r\n

Data throughput rate: 7.7Mbps~311Mbps

\r\n

Can be equipped with a variety of RF front-end, working in different frequency bands

\r\n

Double antenna or single antenna configuration

\r\n

Support high-speed movement, support long-distance coverage

\r\n

Internal integration of high-performance CPU, RAM, ROM and rich peripheral interfaces

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Flexible frame length: 1ms~100ms

\r\n

Waveform: CP-OFDM, duplex mode: TDD

\r\n

Subcarrier spacing: 78.125 KHz

\r\n

Supports various bandwidths such as 1MHz/2MHz/4MHz/8MHz/2.5MHz/5MHz/10MHz/20MHz/40MHz

\r\n

Support 2x2 MIMO, MCS0~MCS23, MCS56~MCS61

\r\n

Support BPSK, QPSK, 16QAM, 64QAM four modulation modes

\r\n

Support BCC, STBC encoding mode

\r\n

Data throughput rate: 7.7Mbps~311Mbps

\r\n

Can be equipped with a variety of RF front-end, working in different frequency bands

\r\n

Dual antenna or single antenna configuration

\r\n

Support high-speed movement, support long-distance coverage

\r\n

Internal integration of high-performance CPU, RAM, ROM and a rich peripheral interface

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Supported frequency band: can be equipped with a variety of RF front-end, working in different frequency bands

\r\n

Support 2.5MHz/5MHz/10MHz/20MHz/40MHz/80MHz

\r\n

Support up to 4x4MIMO

\r\n

Modulation coding mode:MCS0~MCS99

\r\n

Physical layer data throughput: 7.7Mbps~1.7Gbps

\r\n

Modulation mode: BPSK, QPSK, 16QAM, 64QAM, 256QAM

\r\n

Coding mode: BCC, STBC

\r\n

Support high-speed movement,the maximum support speed: >500Km/h

\r\n

Low latency: air interface delay<1ms

\r\n

High reliability: handover reliability is over 99.99% when the speed exceeds 300Km/h

\r\n

Support long distance coverage: 100m~3Km

\r\n

Equipped with multiple RF front ends, working in different frequency bands

\r\n

Dual antenna or single antenna configuration

\r\n

Support high-speed mobile, support long-distance coverage

\r\n

Internal integration of high-performance CPU, RAM, ROM and a rich peripheral interface

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Supported frequency band: can be equipped with a variety of RF front-end, working in different frequency bands

\r\n

Support 2.5MHz/5MHz/10MHz/20MHz/40MHz/80MHz

\r\n

Support up to 4x4 MIMO

\r\n

Modulation coding mode: MCS0~MCS99

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Physical layer data throughput: 7.7Mbps~1.7Gbps

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Modulation mode: BPSK, QPSK, 16QAM, 64QAM, 256QAM

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Encoding mode: BCC, STBC, LDPC

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Support high-speed movement, the maximum support speed: >500Km/h

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Low latency: air interface delay <1ms

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High reliability: handover reliability is over 99.99% when the speed exceeds 300Km/h

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Support long distance coverage: 100m~3Km

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Equipped with multiple RF front ends, working in different frequency bands

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Dual antenna or single antenna configuration

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Support high-speed mobile, support long-distance coverage

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Internal integration of high-performance CPU, RAM, ROM and a rich peripheral interface

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