平面反射镜 meaning in English

planar mirror

Computer controlled grinding and on - line testing of large - aperture planetary silicon carbide mirror
大口径碳化硅平面反射镜的数控研磨与在线检测
With two autocollimations and a big flat mirror , the precision of the parallelization tester can be better evaluated
利用两个精度为0 . 1 "的自准直平行光管和一块平面反射镜检测平行度测试仪精度。
Emphasized on the influence of planar reflector on focusing beams , the model of immersion focusing ultrasonic field based on focusing beams reflected by planar reflector is given . and it has been studied on immersion testing the cylindrical objects with the single focus transducer , which is available for small - diameter pipelines
分析了平面反射镜对聚焦声束的影响，首次建立了超声声束经平面反射镜反射后的聚焦超声场模型；分析表明，单焦距探头经平面反射镜反射后可用于小管道的智能检测。