... 光纤线路系统 OLS Optical Line System 线路系统控制通道 CL ControlchanneloftheLinesystem 多线路系统 multisystem ...
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synchronous optical line system 同步光线路系统
OLS Optical Line System 光纤线路系统
Optical line Protection System 光线路保护系统
ADSS engineering design is a complicated system engineering, deal with mechanical, electric, climatic and geographic factors and the specialized subjects of line, mechanical, optical fiber and cable.
ADSS工程设计是一项综合性的系统工程，涉及到机械、电气、地理、气候等因素以及线路、机械、光纤光缆等专业。
Basic performance, optical system principle, line of sight stabilization and control of parus-98e optronic mast is further described.
对俄罗斯parus—98 E光电桅杆的基本性能、光学系统原理和瞄准线稳定和控制作了深入说明。
This digitalized optical fiber transmission system is upstream line of the bi-directional optical fiber transmission system.
数字化光纤传输系统，为有线制导光纤传输系统的一个部分；
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