Littrow的音标：...

利特罗...

An Apollo 17 astronaut examines enormous boulders resting in a crater at the Taurus - Littrow landing site.阿波罗17号登陆宇航员在着陆地点陶拉斯 - 利特罗环形坑(金牛座凹壑区)里检查一块巨大岩石.In linear cavity AOM is employed as the Q switching.在Littrow结构 的体光栅...