outer-marker crossing height
通过远距信标台的高度
Their gear includes satellite communication systems, high-frequency radio, long-range optical equipment.
他们的装备包括卫星通信系统，高频电台，远距离光学仪器。
remote message input & output
远距离信息输入输出
high-frequency remote signalling apparatus
高频远距离信号装置
long-distance ship-shore radio communications
岸船远距离无线电通信
"Before the invention of the telegraph, semaphore signaling with lights on high towers was used to transmit messages Between distant points; messages were read by telescope. "
在发明电报之前,相距遥远的两地就用信号标从高塔上传送信息,并用望远镜来读取讯号。
Standard for protective spacing between medium, short wave broadcast transmitting station and electric cable carrier telecommunication systems
中、短波广播发射台与电缆载波通信系统的防护间距标准
The road sign said Westwood was four miles away.
路标标出威斯特伍德距此4英里远。
DME ground beacon antenna
测距装置地面信标天线
One of three main institution of the International Telecom munication Union ( ITU ). It mainly works at the examination and approval of remote radio communication and the recommendation of standards.
国际电信联盟(ITU)的三个主要机构之一。它主要从事于远距离无线电通信的审批与推荐标准。
The Design and Implementation of Web_based Instruction Platforms Based on Distance Education Technology Standardization;
基于远程教育信息技术标准的网络教学平台的设计与实现
at a distance, wide of something (as of a mark).
在远处；有一段距离（到一个标志的时候）。
Dynamic Human Target Detection Based on Multi-sensor in Long Range;
基于多传感器的远距离人体目标检测
A Logistics Management System Based on Far-distance Tag;
基于远距离电子标签的物流管理系统
Research on Water Supply Mode of Long-distance Range and Large Elevation Working Face
远距离大标高工作面供水方式的研究
radio marker beacon station
无线电标志信标电台
industrial remote signalling
生产过程远距离信号发送
Minicomputers are often used to control the telecommunications.
小型计算机常常用来控制远距离通信。