1.
modulator for carrier-current line systems
调制器,载波线路系统用
2.
demodulator ,for carrier-current line systems
载波线路系统解调器
3.
modem for carrier-current line systems
调制解调器,载波线路系统用
4.
Technical requirement for digital line systems on optical fibre cables at 4X139264kbit/s
GB/T15118-19944X139264kbit/s光缆数字线路系统技术要求
5.
line support processor system
线路支援处理机系统
6.
linear single-loop control system
线性单回路控制系统
7.
closed-circuit television common antenna system
闭路电视共用天线系统
8.
in-building distribution system
大厦内线路分配系统
9.
the principal route of a transportation system.
交通系统中主要的线路。
10.
On-line Monitoring System Design on Transmission Line Galloping
输电线路导线舞动在线监测系统设计
11.
A Current Monitoring System Based on Link WSN
基于链路型WSN的输电线路监控系统
12.
A branch line of a transport system, as of an airline or a railroad.
支线如航空或铁路等运输系统的支线
13.
Research and Implication of Long Distance Optical Line Protection;
长途干线光线路保护系统研究与应用
14.
Development on On-Line Monitoring System of Transmission Insulator;
输电线路绝缘子在线监测系统的研制
15.
A Monitoring and Warning System for Transmission Network Maintenance and Grounding Line Working Conditions
线路检修及接地线状态监视预警系统
16.
Application of on-line monitoring system for 500 kV transmission line in North China
500kV输电线路在线监测系统应用
17.
(transportation) on a regular route of a railroad or bus or airline system.
（运输业）在铁路、公路或定期航线系统的规则线路上的。
18.
Application of GIS in Selection of Line Path During Electric Power Line Surveys in Three-Dimensional Transmission Line
三维送电线路GIS系统在电力线路勘测路径选择中的应用