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...
The principle and the practice of an oscillation circuit using a gyrator are discussed.本文叙述应用回转器的振荡电路的原理与实践.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。It is possible to follow th...