通过比较机械补偿法和光学补偿法两种无热化补偿技术，可以看出光学补偿法具有明显的优点。
By comparing the two athermal techniques of mechanical compensation and optical compensation, we can see the last one has obvious advantage over the former.
本文分析了像移补偿的原理并介绍了国内外较多采用的像移补偿技术，如光学式像移补偿法、机械式像移补偿法、集成像移补偿法、数字式像移补偿法等。
In this paper, the principle of IMC is analyzed and several kinds of IMC technologies used at home and abroad are introduced, such as optical IMC, mechanical IMC, integrate IMC, digital IMC.
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