Measuring the quality factor G/T of a ground receiving system with cosmic radio sources is a method commonly used in most earth stations.

利用宇宙射电源测量地面接收系统品质因数G／T值是大多数地球站普遍采用的测量方法。

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Since the rotary tool (t) is ground by the grinding wheel (w), the shape of the neck part of the rotary tool (t) can be modified.

由此，通过由砂轮(W)磨削旋转工具(T)，能够变更旋转工具(T)的颈部的形状。

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Since the rotary tool (t) is ground by the grinding wheel (w), the shape of the neck part of the rotary tool (t) can be modified.

由此，通过由砂轮(W)磨削旋转工具(T)，能够变更旋转工具(T)的颈部的形状。

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