He raked the hillside with powerful glasses.

他用高倍望远镜沿着山边搜寻。

Many stars are invisible without a telescope.

许多星辰不用望远镜便看不见。

Galileo used a telescope to observe the heavens.

伽利略用望远镜来观察天空。

He pointed the telescope at a deer on the hillside.

他把望远镜对着山坡上的一只小鹿。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清月球上的环形山。

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

这是一架看宇远地方的望远镜。

With a telescope you can see the huge crater of Ve -suvius.

用望远镜你看巨大的维苏威火山口。

Hubble was able to resolve six variable stars in M31.

哈勃望远镜梅西叶星云星团表31的六颗变星。

She resolved to make a telescope.

她决心做一架望远镜。

You can't see through the telescope until it is adjusted to your eyes.

你把望远镜调节适合你的目光之后, 你才看得见。

As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.

MA作为定天镜跟踪天体的运动，望远镜在天体天前后进行观测。

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

用大望远镜和适度的滤色镜，你也可以看那些气体或星云状物。

Seat the telescope on the tripod.

把望远镜安装在三脚架上。

Telescopes and microscopes are optical instruments.

望远镜和显微镜是光学仪器。

The spyglass contains a lens.

这个小望远镜含有一个透镜。

Telescopes and microscopes magnify.

望远镜和显微镜放大。

S-the telescope on the tripod.

把望远镜安三脚架上。

Two spacewalking astronauts have been able to install a new camera in the Hubble Space Telescope.

两名太空行走的宇航员已经可以给哈勃望远镜安装新摄像机了。

The tourists got out of the coach, armed to the teeth with cameras, binoculars, and guidebooks.

旅客下了大客车，一个个全副武装，带着相机、双筒望远镜和旅游指南。

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

双重图象测微表与开的透镜。各种各样的测微表被发明了除heliometer 以外为测量由重象。Ramsdens 屈光的测微表包括一个开的透镜被安置在一台地球望远镜的架设的眼睛管的最内在的透镜的共轭焦点。