望远镜的

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

用大和适度滤色，你也可以看到那些气体或星云状物。

He pointed the telescope at a deer on the hillside.

他把对着山坡上一只小鹿。

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。

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。各种各样测微表发明了除heliometer 以外为测量由重象。Ramsdens 屈光测微表包括一个分开透在一台地球架设眼睛管最内在透共轭焦点。

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).

多波束接收器也是唯一适合解决现代射电一个通病：滤掉电波干扰。