镀多层防反膜以后，中、长红外波段透过率均有所提高，但镀膜技术还有待改进。
Although the middle wave and long wave transmittance are all increased after multilayer antireflection films were coating on CVD ZnS, the technique of coating must be improved further.
镀多层防反膜以后，中、长红外波段透过率均有所提高，但镀膜技术还有待改进。
Although the middle wave and long wave transmittance are all increased after multilayer antireflection films were coating on CVD ZnS, the technique of coating must be improved further.
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