From 12 feet, you'll throw a full-spin rotation. Grab the knife by the handle, as you would a hammer, but keep your thumb along the top edge for stability and to prevent over-rotation.

你得从12英尺外让刀旋转着飞出去，所以你要像握锤子一样握住刀把，并且让拇指顺着刀刃的方向以保持平衡、防止刀转过头。

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This device can be fitted with saddle switches, coil edge switches, leg position feedback, and onboard rotation.

这个装置可以安装车座开关，线圈边缘交换机，机架位置反馈和机上旋转。

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Through detecting the same edge in one period of Phase a to judge its direction of rotation precisely, a method for error-free measurement has been given.

通过检测A相一个周期的同一边沿，可精确判断其旋转方向，给出了无误差测量的实现方法。

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Although there is no official IOC continental rotation policy, correspondents say the Americas may have an edge as previous games will have been held in Asia, Europe, and Australasia.

BBC: Obama to woo IOC over Chicago bid