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名词解释题

腹剪裂缝

发布日期:2022-07-05

腹剪裂缝

试题解析

近亲裸腹蚤

近亲裸腹蚤属于双甲目,裸腹蚤属,裸腹蚤科

双甲目
裸腹蚤属
裸腹蚤科
中文学名
近亲裸腹蚤

剪裂缝

剪裂缝(剪节理) 是指由剪切应力形成的裂缝。其特点为: 裂缝面闭合,平直光滑,可有少量擦痕; 裂缝面可切割岩层内颗粒; 成对出现,呈共轭“X”形,其两组剪裂缝的较小交角(约60 度)的平分线方向为最大压应力方向。剪裂缝在褶曲中常见,常是斜交的褶曲轴线或平行褶曲轴线,成对出现。

中文名
剪裂缝
别名
剪节理

多面腹

多面腹是腹的式样之一,也称“多棱腹”。

中文名
多面腹
类别
陶瓷术语

标签: 裂缝

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