通信交换单元
communication switching unit
超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
交通交通系统
urban transportation system
超单元组合—超单元—单元划分
divition of “super unit combine—super unit—unit
福建省交通通信总站
Center Station of Transport and communication of Fujian Province
国际空中交通通信发射站
international air traffic communications transmitter station
国际空中交通通信系统
international air traffic communications system
国际空中交通通讯接收站
international air traffic communications receiver station
海马交通通路
hippocampal commissural pathway
交通通达性
Transportation accessibility