The physical property of oscillator driven by quasi-constant field is studied.

研究了准恒场驱动谐振子的物理特性。

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As a particular case, the similar problem in quasi-constant curvature manifold is also taken into consideration.

同时，做为特例，也考虑了拟常曲率流形中的类似问题。

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The capacitor current exchange type quasi-constant current charging system was used for capacitor bank storage energy systems.

所用电容器组储能系统采用电容换流式准恒流充电回路。

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