The Stanford team have called this two-layer process "photonic radiative cooling".

它的发明者们管这种双层降温过程叫“光子辐射制冷”。

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Sacrificial layer process was proposed to protect the non-machined surface in this work and an experimental system was developed to shape overlay welded TC4 blades.

提出了牺牲层工艺保护非加工面，并建立实验系统，对堆焊修复后的TC4叶片进行电解修型。

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Electroplating: use the principle of electrolysis, the metal and alloy parts deposition in the surface, form even, density, good adhesion of the metal layer process.

电镀：利用电解原理，使金属或合金沉积在制件表面，形成均匀、致密、结合力良好的金属层的过程。

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And that gas released into the atmosphere means faster erosion of the ozone layer, possibly speeding up the process and making matters even worse.

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The rear of the fuselage is also sculpted to sweep air into the engines using a process known as boundary-layer ingestion.

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