Hysteretic linear include linear stiffness and the linear damp.迟滞非线性包括了非线性刚度和非线性阻尼.This combination process is called the assemblage of stiffness matrices.这种组合的过程称为刚度矩阵的装配.Three fundamental cloth properties determine the...
Diagrams and graphs are indispensable visual aids in many aspects of economics.图形和图解在经济学的许多方面是重要的形象工具.Therefore, it is frequently necessary to control certain aspects of the environment in such large enclosures.因此常常需要控制如...
Pickled cucumbers, jam, pickled berries, tomatoes; you name it, they've got it.酸黄瓜、果酱、腌浆果、西红柿，凡是你说得出的，他们都有。Birds feed on nuts and berries in the winter.鸟类靠坚果和浆果过冬。We went here and there looking for berries.我们四处寻找浆果....
A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件.The method about synthesis of approximate straight line motion mechanism based on moving centrode ...