When the hearse backed up to a wooden sidewalk before a naked, weatherbeaten frame house, the same composite, ill-defined group that had stood upon the station siding was huddled about the gate.

灵车退到一座饱经风霜的木屋的木头过道边，大门口挤着的又是火车站月台上那团模模糊糊的人群。

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QBTL is designed specially for use as a four-valued threshold gate with which varied four-valued composite logic circuits can be formed.

其中QBTL设计成可单独作为四值“阀”门使用，用于构成其他四值组合逻辑。

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Then this paper introduces the principle and method of finite element dynamic analysis of spatial composite structure like gate.

介绍了闸门这类复杂空间组合结构有限元动力分析的原理和方法。

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