根据不均匀的焊接温度场和施焊时焊接构件的刚性条件，可以认为焊接残余变形和残余应力是不可避免的。
According to the asymmetry welding temperature fields and the rigidity of component when welding, we could think it is inevitable that welding would bring remains-strain and remains-stress.
其次分析了该系统在刚性条件下稳定运行时各构件的运动情况，求得各传动构件的额定速度、额定角速度等。
Secondly, by analyzing kinematics of members when the system operates stably in the conditions of rigid, acquired velocity rating and rated angular velocity etc.
美国的价格更缺乏刚性，更容易受到经济条件的影响，因为与欧洲相比美国的市场更灵活。
Prices tend to be less "sticky" : they respond more readily to economic conditions because markets are more flexible than in Europe.
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