Half tube type: when the medium containing solid particles or fibrous material, can choose a half tube type structure, this structure has the clean and shear function.

半筒型：当介质中含有固体棵粒或纤维状物质时，可选用半筒型结构，此种结构具有自洁及剪切功能。

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In this paper, a simplified calculation model has been proposed for analyzing the dynamic characteristics of tube in tube structure.

本文为高层建筑筒体结构动力特性分析提供了一个简化计算模型。

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A holey fiber preform structure was made by using tube-in-tube method and was drawn at high speeds with an aim of mass production to meet the demand of next generation communication systems.

用“筒中筒”方法高速拉制了有孔光纤预制样品，目标是符合下一代通信系统的量产需求。

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It's this tube-like structure, which is made of many, many epithelial cells all directly adjacent to each other, is what separates the outside world from our internal bodies.

这些管状结构,也是由许许多多上皮细胞,互相连接而成的,它使体内和体外,区分开来

耶鲁公开课 - 生物医学工程探索课程节选

In fact, the resulting tube-like structure was but the overture to a major symphony of cat-related outdoor enclosures, a veritable pet Disneyland, if you will.

WSJ: Cat-Product Entrepreneurs Stay Steps Ahead of the Copycats