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...
to close existing loopholes堵住现有的漏洞They tightened the loopholes in those acts.他们堵住了那些法案中的漏洞.Boat to the middle of a river only plug up loopholes.船到江心才补漏洞.指临到紧急关头才设法补救....
黑压压的一大群蜜蜂从蜂巢中飞出来。A dark cloud of bees comes swarming out of the hive.在多次试验中，放置于一英里以外田野中的蜜蜂都能飞回蜂巢。In tests, the bees navigate back home after being placed in a field a mile away.上的刻痕.有一幅图画描绘了两个男人正在烟薰蜂巢的情景.One drawing show...