The evolutional law of damage variable as a function of stress was obtained.
并得出了损伤变量分别随应力和应变而变化的规律。
According to principle of damage mechanics, the evolutional law of damage in pearlite ductile cast iron has been studied under fatigue and tension loading.
利用损伤力学原理，研究了珠光体球墨铸铁在疲劳和拉伸载荷作用下的损伤演变规律。
Beginning with studying consumers' channel preference and purchasing guideline, we can cognize and grasp the evolutional law of retail terminal commercial mode for finding out a way to promote retail.
要从研究消费者渠道偏好与购买准则入手，认识与把握零售终端商业模式的演进规律，找到零售终端策略的改进思路。
According to the principle of damage mechanics, the evolutional law of fatigue damage of pearlite ductile cast iron was studied with double arms electrical bridge for measuring electrical resistivity.
根据损伤力学原理，用双臂电桥测量电阻的方法，研究了珠光体球墨铸铁的疲劳损伤演变规律。
Natural law emanates from ancient Greece and takes shape in the evolutional process from the decline of mythology to the naissance of rational knowledge.
自然法发源于古希腊，脱胎于从神话的没落到理性知识诞生的演进过程。
Natural law emanates from ancient Greece and takes shape in the evolutional process from the decline of mythology to the naissance of rational knowledge.
自然法发源于古希腊，脱胎于从神话的没落到理性知识诞生的演进过程。
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