镜片的正面是光滑的，反面是矩阵机构的蜂窝，因此比其他类型的镜片更轻，更不容受引力畸变影响。
The mirrors have a smooth front and an open honeycomb matrix in back, making them much lighter than other mirrors and less prone to gravitational distortion.
镜片的正面是光滑的，反面是矩阵机构的蜂窝，因此比其他类型的镜片更轻，更不容受引力畸变影响。
The mirrors have a smooth front and an open honeycomb matrix in back, making them much lighter than other mirrors and less prone to gravitational distortion.
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