趣英语 / DDN造句

DDN造句

Digital Data Network ( DDN ) is a data transmisston network using digital channels.
数字数据网 ( DDN ) 是采用数字信道来传输数据信号的数据传输网.

Driect line 、 ISDN 、 DDN 、 Frame relay 、 ADSL 、 Broadband 、 Hunting line. 、 E 1、 PRI and so on.
如:直线电话、ISDN、DDN、帧中继、ADSL、宽频线路、模拟中继线路、数字中继线路(E1及PRI)等.

The author also describes the framework and communications system of SCADA, such as server, RTU, DDN and GPRS etc.
着重描述SCADA系统的软硬件结构及通信系统, 包括实时数据采集服务器、历史数据服务器 、 远程控制单元RTU 、 DDN网及GPRS传输等.

相关问题
最新发布

  • “发绀”造句

    病人呼吸困难, 心动过数及发绀.The patient has dyspnea, tachycardia, and cyanosis.四肢无杵状指, 发绀或水肿.His extremities do not exhibit any clubbing, cyanosis, or edema.再观察他的皮肤, 无黄疸和发绀.Clinton's skin, you cannot see any jaundice or cyanosi...

  • “婚”用英语怎么说？

    ...

  • “独立”造句

    爱沙尼亚议会已经通过了宣布共和国完全独立的决议。The Estonian parliament has passed a resolution declaring the republic fully independent.军队的撤出为独立铺平了道路。The pull-out of the army paves the way for independence.条约规定他们必须尊重其邻国的独立。The treaty binds the...

  • jezekite怎么读

    jezekite的音标：jezekite的英式发音音标为：['dʒezəkaɪt]jezekite的美式发音音标为：['dʒezəkaɪt]...

  • “躲藏”的反义词有哪些

    “躲藏”的反义词：暴露。...

  • infrastructures什么意思？

    n.基础设施( infrastructure的名词复数 )，基础结构，行政机构，秘密机构...

  • bout的近义词/同义词有哪些

    bout的近义词/同义词有：of, time, round, spell, length, turn, contest, trial, tournament, battle, test, struggle, spell, round, trial, struggle, battle, test, turn, contest, competition。n.bout的近义词（一阵,一回,一次）：of, time, round, spell,...

  • Bennett什么意思解释

    n.班尼特（男子名，Benedict的昵称）...

  • “每寸”造句

    竖直通栏广告每寸作26方寸计,横修广告每栏作20方寸计算.Horizontal column ad is 20 sq. in . while vertical column ad is 26 sq . in.维京长船用于运输部队,将血红斯堪的纳维亚战旗插遍欧洲每寸土地.Usually used as a Viking troop carrier . These ships carry Scandinavian raiding parti...

  • chromometry什么意思解释？

    n.比色法...

  • lipogenetic什么意思

    脂肪生成的...

  • towering造句

    Towering genius disdains a beaten path . It'seeks regions hittite unexplored.卓越的天才不屑走旁人走过的路,他寻找迄今未开拓的地区.Seen from afar, its towering buildings beckon the visitor in.从远处看，它高耸的大楼召唤着拜访者进去。The burly brute swaggered forw...

  • lawyers怎么读？

    lawyers的音标：lawyers的英式发音音标为：['lɔ:jəz]lawyers的美式发音音标为：['lɔjəz]...

  • see through怎么读？

    see through的音标：see through的英式发音音标为：[si: θru:]see through的美式发音音标为：[si θru]...