In the method, at least one active material element is activated intermittently to move the at least one movable surface with respect to the at least one fixed surface.
在所述方法中，间歇地启动至少一个活性材料元件以相对于所述至少一个固定表面移动所述至少一个第二可移动表面。
In the method, at least one active material element is activated intermittently to move the at least one movable surface with respect to the at least one fixed surface.
在所述方法中，间歇地启动至少一个活性材料元件以相对于所述至少一个固定表面移动所述至少一个第二可移动表面。
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