文章详细信息 关键词: 后视镜;;压电驱动;;除雨;;椭圆运动 [gap=956]Keywords: Rear-view mirror;Piezoelectric driving;Rain-wiping;Elliptical motion
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...触角;椭圆运动;椭圆倾角 [gap=849]Keywords : multi-degree of freedom;ultrasonic motor;contact angle;ellipse motion;ellipse declining angle ...
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【Key words】 Longitudinal-Torsional ultrasonic motor; ellipse driving; motor equivalent circuit; resonance frequency;
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牛顿也证明了漩涡能产生椭圆运动纯属偶然。
Newton also proved incidentally that a vortex could not generate elliptical motion.
椭圆运动给使用者一种经典越野滑雪,爬楼梯和步行相混合的感觉。
Their oval-like (ellipse) motion provides the user with the feel of classic cross-country skiing, stair climbing, and walking all in combination.
错误地认为做椭圆运动的卫星在近地点和远地点的轨道曲率半径不同。
Mistakenly believe that doing elliptical motion of the satellite perigee and apogee of the orbit radius of curvature different.
By putting the two together, out comes the elliptical motion of the planets.
将这两个式子联立,就得到了行星作椭圆运动的方程
and they tell you the answer, which will be some elliptical motion.
他们会告诉你答案,行星会做椭圆运动
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