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。
It is like the movable spoiler on a 911, but this one extends upwards and out-increasing its surface area.
它像动产扰流的911，但是这一个向上延伸出越来越大的表面积。
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。
The possible tracks of a particle BXm_(2), sliding down along a free movable concave surface with the mass m_(1) are analyzed.
运用质心运动定理，分析了质点在可自由移动的凹曲面上滑下时，质点对惯性系的运动轨迹方程。
It is the first time for movable scaffolding equipment to be used in the construction of main girder of Gonghe cable-stayed bridge which is a single stay surface, single tower cable-stayed bridge.
这是首次使用移动模架在建设共和斜拉桥主梁，这是一个单一的住宿表面，单塔斜拉桥的桥。
A movable control surface, usually attached to the horizontal stabilizer of an aircraft, that is used to produce motion up or down.
升降舵一个可动控制台，通常安装在飞机的尾翼上，用来操纵飞机。
Special composite materials are applied to movable external sun-shading surface to protect the inner glasses from the solar load and wind impact.
可动式外遮阳表面使用特殊复合材料，保护内层玻璃减少太阳能负荷及风力冲击。
Special composite materials are applied to movable external sun-shading surface to protect the inner glasses from the solar load and wind impact.
可动式外遮阳表面使用特殊复合材料，保护内层玻璃减少太阳能负荷及风力冲击。
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