The contract is part of a larger scheme that includes a 400-kv ac (alternating current) substation in Finnbole, a 70 - km DC overhead line in Sweden and a 200-km submarine cable.
该合同是一个更大计划的一部分，这个计划包括一个位于Finnbole的400千伏交流变电站，一个位于瑞典境内的70千米直流高架线，以及一条200千米的海底电缆。
This paper firstly introduced the composing of submarine optical fiber cable system, and then analyzed mostly ingredient that influences its security in transmission line and information.
本文研究一种电小天线的新型补偿电路 ，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配 。
应用推荐