Mechanical sublayer technique has been adopted when material hardening rule is considered.

机械子层法用于材料的硬化规则。

youdao

The plastic theory of composite material include three criterions: the yield criterion, the flow rule and the hardening rule.

复合材料的塑性理论通常包括三方面准则：屈服准则、流动准则和强化准则。

youdao

The method made the X-ray beam harden at first, and then the kinds of prehardening materials and correction rule of beam hardening artifacts were obtained through experiment.

该方法对X射线进行一定程度的预硬化，通过实验获得预硬化材料种类及射束硬化伪像的校正规律。

youdao

These grievances have been felt for a long time, but under Mr Suharto's rule open discussion of religious and ethnic disputes was prohibited, forcing the issues underground, and perhaps hardening attitudes.

ECONOMIST: Indonesia