望远镜的

He pointed the telescope at a deer on the hillside.

他镜对着山坡上一只小鹿。

You can still see the gas or nebulosity in big telescopes and the right filters.

用大镜和适度滤色镜，你也可以看到那些气体或星云状物。

This is a telescope that penetrates to the remote parts of the universe.

这是一架能看到宇宙中遥地方镜。

344-359) describes a micrometer in which a negative lens is introduced between the eye-piece and the objectglass.

双重图象测微表与分开透镜。各种各样测微表被发明了除heliometer 以外为测量由重象。Ramsdens 屈光测微表包括一个分开透镜被安置在一台地球镜架设眼睛管最内在透镜共轭。

The multi-beam receiver is also uniquely suited for resolving one of the nagging problems of modern radio-telescopy: screening out radio frequency interference (RFI).

波束接收器也是唯一适合解决现代射电镜一个通病：滤掉电波干扰。