Some oscillation of the fuselage had been noticed on early flights.在之前的几次飞行中，就已经察觉到机身有些摇晃。Its oscillation depends on the strength of the gravitational field.它的振动幅度取决于引力场的强度。the oscillation of the compass needle罗盘指针的摆动...
Li Jikai began to introspect the real me.他开始反思真正的自我是什么.On - the - spot investigation, network discussion exchanges, begin creations and compose a research paper and introspect.实地考察 、 网络讨论交流 、 动手创作、撰写研究报告及反思.When I though...