terrestrial telescope
... terminal velocity 终端速度 terrestrial telescope 正像望远镜 tesla 忒斯拉 ...
erecting telescoope
... equivalent uniform roughness,等效均匀粗糙度 erecting telescoope,正像望远镜 ergonomics,工效学 ...
erect image telescope
... 消讯磁头 erasing head 正像望远镜 erect image telescope 正像检像器 erect image view finder ...
lens-errecting telescope