It shows that the dimension of gage (the central portion with equal section) is critical for the stress distribution in the dog-bone-shaped specimen.
结果表明：狗骨形试样中，中间等截面段尺寸对试样中应力的大小、分布影响很大。
Mounting of the specimen is usually performed on small, fragile, or oddly shaped specimens, fractures, or in instances where the specimen edges are to be examined.
试样的安装通常是小的，脆弱的，或形状奇特的标本，骨折，或在试样边缘的情况下加以考察。
Otherwise, a kind of needle-shaped boride will appcar on the surface of specimen.
本文重点研究了这种针状硼化物的形成机理及其影响因素。
The effective stress of specimen is inhomogeneous. As the strain rate increases, the minimum stress value moves from the drum-shaped region to the heart of specimen.
试样内部各部位的应力大小分布不均匀，随应变速率的增大，最小应力值由自由变形的鼓形区域逐步向心部移动；
The effective stress of specimen is inhomogeneous. As the strain rate increases, the minimum stress value moves from the drum-shaped region to the heart of specimen.
试样内部各部位的应力大小分布不均匀，随应变速率的增大，最小应力值由自由变形的鼓形区域逐步向心部移动；
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