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1·Stage 3, early Pleistocene, anticlockwise rotation of Luzon arc and continent-arc collision.

更新世，吕宋弧逆时针转动和弧陆碰撞阶段。

2·Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation.

正频率是用逆时针旋转来产生，而负频率是用顺时针旋转来产生。

3·The direction of rotation is often constant in a species; for example, Convolvulus always rotates in an anticlockwise direction.

在特定的物种中旋转的方向是恒定的，例如旋花科植物总是逆时针方向旋转。