Vacuum storage of food is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.

食品真空贮藏过程是复杂的传热传质过程，该过程涉及到扩散、传热、传质等机理。

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The vacuum deposition limits the thickness of solid-state batteries, which, in turn, limits their energy storage capacity.

真空沉积限制了固态电池的厚度，从而限制了它的储能能力。

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The principle of vacuum technology, applications of vacuum technology in food storage , fresh-keeping and processing are comprehensively introduced in this paper.

本文综述了真空技术的原理及真空技术在食品贮藏保鲜和加工中的应用。

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All that was needed to make a mechanical energy-storage system was a good enough rotational seal, so the flywheel could spin freely inside a vacuum chamber with no air resistance.

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