在15米的感应是实现切向运动，而9米适用于径向运动。

The sensing at 15 meters is achieved for tangential movements, whilst 9 meters applies for radial movements.

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用移动网格方法控制网格点的切向运动，在弦方法的基础上提出了自适应弦方法。

An adaptive string method is proposed based on the string method. In this method, a moving mesh method is adopted to control the tangent movement of mesh points.

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通过摄像法得出了旋涡表面流体质点的运动轨迹、切向和轴向时均速度。

Moving path lines, tangential and axial average velocities of particles at the vortex surface are obtained by the photography method.

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I'm asking what's the tangential speed as it moves along the circle?

它在做圆周运动时,切向速度是多少

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