实用: practical; pragmatic; functi ...光学: optics; photology; photics实用光学,应用光学: practical optics应用光学: journal of applied optics军用光学仪器: military optical instrument; military telescope医用光学仪器: medical optical i trument; medical optical instrument应用光学设计: applied optics design应用光学实验: experiment on applied optics备用光学着陆系统: substitute optical landing system登月用光学测高计: lunar optical altimeter显示器用光学膜: display optical film应用光学课程设计: course design of applied optics应用光学实验室: applied optics laboratory用光学仪器检查: optic test用光学仪器接近: optical approach用光: consumed; lighting; run out of; spend the pack; use up轨道会合用光学装置: optical orbital rendezvous apparaturs; optical orbital rendezvous apparatus示教用光学附加镜头: teaching attachment用光学瞄准具固定角轰炸: fixed angle-optical bombing立体定位架用光学测量装置: optical investigation unit for stereotaxis frame其他测量或检验用光学仪器及器具: other optical instruments & appliances实用: practical; pragmatic; functional 既美观, 又实用 not only beautiful, but also practical; 一味讲究实用的 severely practical; 这本小册子很实用, 而且便于查考。 the booklet is very practical and handy of reference.; 实用语言学 practical linguistics; 实用载荷 service load; 实用织物 utility cloth; 实用制 practical system造半导体器件时检验及刻线用光学仪器及器具: optical instrumt/appliance for inspectng semiconductor wafer/device被用光: be used up采用光: borrowed light