Therefore, the feeder doesn't generate vibration in vertical direction and the displacement is zero.

而竖直方向的激振力互相抵消，因此，给料机在竖直方向不产生振动，位移为零。

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Therefore, the feeder doesn't generate vibration in vertical direction and the displacement is zero.

而竖直方向的激振力互相抵消，因此，给料机在竖直方向不产生振动，位移为零。

youdao