The spectrum curves determined for linearly elastic systems still have significance for nonlinear hysteretic vibrations.线性弹性系统确定的谱曲线对非线性滞回振动仍然是有意义的.Hysteretic linear include linear stiffness and the linear damp.迟滞非线性包括了非...
The Aswan Dam harnessed ( the waters of ) the Nile.阿斯安水坝利用尼罗河 ( 的水流 ) 产生动力.The Aswan Dam helps to control the River Nile in Egypt.阿斯旺水坝有助于控制埃及的尼罗河.A lateen - rigged sailboat called a felucca plies the Nile River in fadin...
我们都害怕伤残或体弱。We all fear disability or infirmity.体弱雄心减.Failing health dwindled ambition.那男子已不能工作了(因年老 、 体弱等).The man is past working, ie too old, weak, etc to work....