lit course meaning in English

文学课

Passive optical fiber image transmission technology is a new image transmission technology which used optical fiber image transmission bundle as the relay image transmission device , its important advantages are that it can bend the light course , and can achieve to parallel and real - time planar image soft transmission in the case of passive observation , also it can greatly simplify the structure of long light course system , and reduce the volume of optical instrument , as well as the weight of equipment , so it has wide military and civil application future
无源光纤传像技术是一种应用光纤传像束作为中继传像器件的新型的图像传输技术，其重要优点是可实现光路弯曲及被动观察条件下并行、实时的二维图像传输，并可大大简化长光路系统结构，减小仪器体积和重量，在军事上和民用中均具有重要广泛的应用前景。