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...
Students often travel hundreds of miles to get here.学生常常赶数百英里的路来到这里。Faculty members complain that their students are unprepared to do college-level work.学院的老师们抱怨说他们的学生还很不适应大学的课业。Many students are not adequately prepared ...