The shaft is splined to lock into the disc to ensure positive rotation.

阀杆用花键锁在阀瓣上，以确保旋转灵活。

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Positive values for the angle rotate the object clockwise if you look along the positive rotation axis.

角度为正值，则表示若您顺着正旋转轴方向观察，对象是按顺时针旋转的。

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Propeller is designed distinctively, positive rotation for rolling. kneading and knocking, inversion for massage.

浆叶设计独特，正转滚揉摔打、反转按摩。

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Consistent with prior research, rotation is viewed as improving independence resulting in a positive impact on audit quality.

FORBES: KPMG's Inside Trader: What The Auditor, and Skechers, Don't Want To Talk About