The work theory of digital pump is introduced simply.

介绍了数字轴向柱塞泵的工作原理；

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Known well the structure and work theory of high speed synchro data acquisition device.

熟悉高速同步采集卡的总体结构和工作原理。

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The work theory and characters of a pickle injector machine for meat pickling are introduced.

介绍了一种用于肉类腌渍加工的盐水注射机的工作原理和特点。

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Yet it was the work of naturalist Alfred Russel Wallace that pushed Darwin to finally release his theory.

VOA: special.2009.12.01

Well, that's the sense of theory that I like to work with, and I would pause over it by saying that after all, there is a difference and practice and we shouldn't too quickly, at least, confuse the terms.

我想在此讨论的就是理论的这种解释，不过我想补充一句，理论和实践是两回事,至少我们不能混淆这两个名词。

耶鲁公开课 - 文学理论导论课程节选

Thomas Hobbes was the author of the first and, I believe, undoubtedly the greatest, work of political theory written in the English language.

托马斯·霍布斯是第一部，我相信，毫无疑问也是最伟大的一部，用英语写成的,政治学著作的作者。

耶鲁公开课 - 政治哲学导论课程节选

It might not work in theory, there are numerous examples of it working in the real world.

FORBES: No Taxation

They may work in theory, but it is hard to tell if that will be good enough for markets, which want solutions quickly.

FORBES: Euro Leaders Face Important Decision On Function Of EFSF

But leads on new drugs have become a dime a dozen as biotechs have flooded drug companies with new chemicals that might work in theory.

FORBES: Magazine Article