The equivalent model has good applicability for strong nonlinear Duffing systems.该等效模型对强非线性杜芬系统具有良好的适用性.This paper deals with analytical approximate solutions to the Duffing - Harmonic oscillator by a new method.用一种新方法研究...
More and more of our savings are institutionalized rather than individualized.我们的储蓄越来越多地由个人手里转入各种组织的控制中.She saw herself as a failure and had been institutionalized once for depression.她认为自己是个失败者，曾有一次因患抑郁症被送往精神病院治疗。This i...
Although the wooden handcart is rough, it is very practical.板儿车虽然简陋, 但也很实用呢.The circuit breaker replacement is extremely simple, handcart interchangeability good.断路器更换非常简单, 手车互换性好.Steel bracket tray, storing cage, materi...