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【单选题】
名义应力—名义应变曲线中，线弹性阶段对应的最高点的应力称为（）。A.
比例极限
B.
弹性极限
C.
屈服强度
D.
抗拉强度
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A.
a kind of
B.
a set of
C.
a part of
D.
an array of
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