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。
Movable table surface oxidation treatment, beautiful and durable.
移动工作台表面采用氧化处理，美观耐用。
The erosion character of surface of cultivated land that is studied by movable erosion wind tunnel is one of the important ways of soil erosion problems.
利用可移动式风蚀风洞研究农田地表风蚀特性是研究土壤风蚀问题重要方法之一。
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