折射望远镜

He began examining nearby galaxies wi a 10-inch refractor to see whether any stars had flared up.

他用口径10英寸的折射望远镜巡视邻近的星系，查看是否有恒星已经闪亮。

Discovered by Barnard 1892 September 9 using the 36 inch (91 cm) refractor at Lick Observatory.

它于1892年9月9日由Barnard于Lick天文台用36英尺（91厘米）折射望远镜发现。

A rifle scope is a refractor telescope used on a rifle.

步枪范围，是一个折射望远镜使用步枪。

A three-inch refractor will give an excellent view as well as showing Titan.

一架三英寸的折射望远镜就能看到极好的景象，还可以看出土卫六。

Normally the first two are quite invisible in the 5-inch refractor.

通常前面两个在5英寸折射望远镜中是看不见的。

A three-inch refractor will give an excellent view.

一架三英寸的折射望远镜就能看到极好的景象。

This week at the Chabot Space Science Center in Oakland, California, where on a clear night you can scan the heavens on this 20-inch, 1915 vintage refractor telescope.

本周在加州奥克兰的Chabot宇宙和科技中心，你可以在晴朗的夜晚通过这个20英尺的1915年制造的折射望远镜来观看夜空。

"This is a 45 minute exposure (9x5 minute exposures) through my Vixen 4-inch refracting telescope," he explains.

&这是一个45分钟的曝光（ 9x5分钟暴露）通过我的vixen 4英寸的折射望远镜，&他解释说。

Refractors have been criticized for their relatively high-degree of residual

折射望远镜曾经因为高度残余的

I noted no astigmatism, and no issues with pinch or cooldown (things that seem endemic with medium level refractors these days).

我在观测的时候没发现有散光现象，压力和降温对观测也没有什么影响（现在只有个别中等水平的折射望远镜才会存在这类问题）。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷