The transmission also contains a set of gears that can reverse the direction of the wheels.

变速器还有一套使得车轮反向运动的齿轮。

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The planet gears are actually one set of gears joined together by a cage called the planed gear carrier or planet pinion carrier.

行星齿轮实际上是称为行星齿轮架或行星小齿轮架的保持架连接的一套齿轮装置。

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That’s 4 times a minute your brain is trying to switch gears and make sense out of a new set of visual (and auditory) stimuli.

也就是说，一分钟内，你的大脑会尝试切换4次，理解新的视觉（听觉）刺激。

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An 18k white gold skeleton frame is designed as a complex set of gears, in reference to the 1936 film in which the Chaplin character struggles to survive in the modern, industrialized world.

FORBES: Writing Instruments As Objets D��Art

Which would you rather attach to your company: A new set of wheels to help shift gears with incremental improvements, or a set of wings that elevates performance by addressing the threats and opportunities of an interconnected and morally interdependent world?

FORBES: Leaders Need Wings, Not Wheels: The Profound Difference Between Elevating and Shifting Behavior