When stepping motor works in some pulse frequency, it may have the problem of oscillation and miss of synchronization, so it should be avoided at full steam.
在一定控制脉冲频率下，步进电动机可能出现振荡与失步现象，严重影响步进电动机的运行，要严格防止这种情况发生。
The coupling action and synchronization of the current oscillation for two copper wire anodes in phosphoric acid solution are studied.
薄膜结构与风环境之间存在着较强的流固耦合作用，并且这种耦合作用往往对薄膜结构的振动起控制作用。
The coupling action and synchronization of the current oscillation for two copper wire anodes in phosphoric acid solution are studied.
薄膜结构与风环境之间存在着较强的流固耦合作用，并且这种耦合作用往往对薄膜结构的振动起控制作用。
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