spherical rotational surface
spherical rotational surface
球面转动面
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Non spherical surface lens can get rid of the spherical surface lens' shortcoming and will be highly valuable, so the study of image quality of rotational conicoid and its lens is meaningful.
非球面透镜能够克服球面透镜的缺点，具有很高的实用价值，故对旋转二次曲面及其透镜成像质量的研究将有重要意义。
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