... 离差的度量：measureofdispersion 棱锥曲面：pyramidal surface 棱锥(体);角锥(体)：pyramid ...
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gradual close to pyramidal surface 渐近锥面
based on pyramidal surface 压料面
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In this paper, designs and form selections on flat spherical shell, rotatory shell, curved surface shell and pyramidal shell are introduced.
本文介绍了球扁壳、回转壳、双曲壳及金字塔型网壳结构的设计和选型。
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