If you cannot change the working distance, you are somewhat limited in choosing your lens.

如果你不能变更工作距离，你在选择镜头上就免不了规限了。

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The working distance is the distance from the front of the lens to the object under inspection.

工作距离是由镜头前到观察目标物的距离。

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The automatic placement of an aspherical lens in front of a fibre-scope depends on the working distance.

光纤显微镜前的非球面镜自动装配依赖于工作距离。

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It has to be a bigger distance, a broader abyss, and that's what Iser is working with in the passages I'm about to quote.

它必须是一个更大的距离，更宽的深渊，这就是伊瑟尔在我想引用的那些话里面所试图说明的。

耶鲁公开课 - 文学理论导论课程节选

It's possible that in this general drama of overvaluation that Milton's working to distance himself from his own youthful interest in the virtues of virginity.

这是可能的，在被高估的戏剧中,弥尔顿的作品,让他无法投入到自己年轻时对贞操的兴趣中去。

耶鲁公开课 - 弥尔顿课程节选

As you can tell from the cameras, the course is in fact filmed for reasons of distance education and your benefit for review; we've been working on this past summer what we dubbed cs50.tv which is our own delivery mechanism for these videos.

你们从大屏幕上可以看出来,该课程实际上是为远程教育拍摄的,你们能够在评论的过程中获益良多,今年夏天我们一直忙于cs50。tv网站的事,这样，拍摄完的视频就可以上传到这个网站。

哈佛公开课 - 计算机科学课程节选

"While Mitt Romney and Paul Ryan are working overtime to distance themselves from Rep. Todd Akin's comments on rape, they are contradicting their own records, " said an Obama campaign statement Monday.

CNN: Akin bows out of CNN appearance at the last minute

The maths for working out the average distance to a rat is a bit rough and ready because rodents are not evenly spread.

BBC: Are you never more than 6ft away from a rat?

Initially, the group was named Working Assets and was aimed at long-distance service.

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