Energetics: the study of the flow and transformation of energy.

力能学：研究能量的流动及转变的学科。

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The statement of the conservation and transformation of energy is as follows.

能量守恒与能量转换可表述如下。

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The law of conservation and transformation of energy is the chief basis of engineering practice.

能量守恒和能量转换定律是工程实践的主要基础。

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There is no question that oil and gas produced from shale holds the potential for a transformation of the energy landscape in the United States.

FORBES: U.S. Energy Independence - So Close, Yet So Far

Only after the cost of generation and storage of renewable energy matches the cost of on-demand generation from fossil, nuclear and hydro we will we see a transformation of the energy industry.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy

The Great Green Fleet demonstration continues our long tradition of energy transformation by powering the Fleet with alternative fuels.

WHITEHOUSE: Advancing National Security Through Energy Security