标准的打乱和还原魔方的步骤以半转规则度量（见第十二章）；

Standard metric for scrambling and solving is Half Turn Metric (See Article 12).

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半转叶轮立轴风力机是利用半转机构构成叶轮一种高效立轴风力机。

Half-rotating blade wheel vertical axis wind turbine is a high efficiency vertical axis wind turbine which utilizes half-rotating mechanism to make up blade wheels.

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生物泵被浮游植物所驱动，这些微小的植物不断地将阳光和CO2转化成更多的浮游植物，它们有一半将死掉或被浮游动物吃掉。

The pump is driven by phytoplankton, the tiny plants that constantly convert sunlight and CO2 into more plants, half of which die or are eaten by zooplankton.

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See this is testing your restraint because those of you who have willpower will stay for the rest of the class, the rest of you will flee the room and go to Starbucks right up on the corner and get something like this.

这简直是在考验你们对食物的抵抗力,因为你们中有意志力的人,会留下听完后半节课,其他人则会飞奔出教室,奔向在转弯角上的星巴克,然后买点吃的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选