By comparing the two athermal techniques of mechanical compensation and optical compensation, we can see the last one has obvious advantage over the former.
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。
As shown by the example, optical and mechanical athermal compensation is obtained without adding the complexity of optical and mechanical structures.
设计实例表明，采用这个方法可以在不增加光学和机械结构复杂度的情况下得到良好的光机被动无热化效果。
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