You don't want your audience thinking that you're selling a series of tubes.

你不希望你的读者把你当成是买管子的吧。

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The static energy absorption characteristics of composite tubes is studied in this paper through a series of tubes tested under static condition.

本文通过一系列圆筒件的静态吸能试验研究了复合材料圆筒件静态吸能的特性。

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This is more complicated than it sounds. Blood vessels are not simple things which can be described by that infamous phrase, "a series of tubes."

实际上比听起来复杂的多，血管并不是“一些列管子”描述的如此简单的东西。

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But prior to that, Stevens was more likely to make headlines for his at times temperamental outbursts on the Senate floor or his comment back in 2006 likening the Internet to a series of tubes.

NPR: Facing Indictment, Sen. Stevens Claims Innocence

It is a cancer of the lymphatic system, which is a part of the immune system that consists of a series of ducts or tubes that parallel the arteries and veins throughout the body.

CNN: What is Hodgkin lymphoma's effect on the lymphatic system?