Proper breathing is essential, and helps you execute movements with maximum power and efficiency.

正确的呼吸是至关重要的，并帮助您的运动是处于最大功率和效率的。

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And the profit-and-loss equilibrium output, the output at minimum average cost and the output with maximum gross profit are the three essential factors in deciding the production scale.

其中，盈亏均衡产量、平均成本最小产量、总利润最大产量是非常重要的。

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Based on general principle of the 2nd low of thermodynamics, methods for verifying the "principle of Maximum Work" are summarized and same essential problems in this area are discussed.

本文从热力学第二定律的基本原理出发，概要地总结了论证“最大功原理”的方法，进而讨论了热力学中的一些基本问题。

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