The crack appears at the edge angle due to stress concentration caused by alternating load, which finally leads to the fissuring of die plate.

凹模在使用过程中，由于交变载荷的作用，使碳化物的棱角处应力集中出现裂纹，最终导致凹模开裂。

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It is found that un-breaking field will be enlarged with the decrease of the tool cutting edge angle because of the lessening of the diameter of the cutting angles.

指出随主偏角的减小，其非折断区域将进一步扩大，切屑外径的减小是其不折断的主要原因。

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The style of the blade depends largely on the edge angle.

刀片的形式不主给取决于刃角。

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Then they zap a cool blue laser beam into a rotating mirror, which refracts the light at a 90-degree angle toward one edge of a 4-inch-long glass slide covered with 15 million white blood cells (all of them invisible to the eye).

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