transmitting objective lens

• 发射物镜

transmitting objective lens的用法和样例：

例句

1. This objective produces only very little scattered light.
   此物镜仅产生很小的散射光。
2. Objectives which consist only of one lens can be used for visual and photographic observations.
   由单透镜组成的物镜可作目视和照相观测用。