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M_s temperature lo-wers linearly with the increase of the austenite strength,while B_s seems indepen-dent of the austenit estrengthening. M_s 隨著奧氏體屈服強(qiáng)度的增加而線性下降,而 B_s 和奧氏體強(qiáng)度之間無(wú)任何直接關(guān)系。