以下为句子列表：
英文: Abstract: The advantage of the gear axis with cold extrusion technology replacing metal cutting working production are narrated, and the technological analysis for the gear axis part is conducted.
中文: 文摘:叙述了采用冷挤压工艺代替切削加工生产齿轮轴的优点，并对齿轮轴零件进行了工艺分析。
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英文: In the light of the near axis theory in geometrical optics,this paper discusses the imagery experiment and theory calculation when light goes through an optical system.
中文: 一个实际的光学系统的成像质量将受到衍射的限制,在几何光学中研究光线的传播是具有近似性的。
更详细...
英文: In the light of the near axis theory in geometrical optics,this paper discusses the imagery experiment and theory calculation when light goes through an optical system.
中文: 一个实际的光学系统的成像质量将受到衍射的限制,在几何光学中研究光线的传播是具有近似性的。
更详细...
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