Rotate the head clockwise and counterclockwise.

按顺时针方向转动头部，然后再逆时针旋转。

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Exactly the same clockwise and counterclockwise rotary characteristics.

顺时针与逆时针回转特性完全相同。

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In this system, computer software was used to replace stepping motor controller which consisted of buffer, annular allotter, control logic and control doors of clockwise and counterclockwise running.

在系统中，用计算机软件替代了由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器。

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Electrons are subatomic spinning tops: Spin up and spin down are the electron's version of clockwise and counterclockwise.

FORBES: Magazine Article