The heat treatment with higher temperature caused the orientation of martensite grains rotated to some extent, which caused most areas in the heated samples do not follow K-S and N-W OR accuratly.

更高温度的保温处理使得回火马氏体的晶粒发生偏转，导致许多区域整体的取向关系难以满足K-S关系和N-W关系。

youdao

No, you're not holding it wrong -- in fact, with Canon's new PowerShot N, any and every orientation is correct, thanks to a unique square design with key controls mounted around the center-positioned lens.

ENGADGET