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- Keywords optical parts;normal equidistance method;quadratic rotated conicoid; 光学零件;法线等距离线法;二次旋转曲面;
- normal equidistance method 法线等距离线法
- For solving the difficulties of machining aspheric optical parts,a new principle of normal equidistance line offsetting methods is put forward,machining method for rotated conicoid. 为了解决非球面光学零件加工难的问题,提出了法线等距离线法加工二次旋转曲面的新原理,并对其理论、成形机理及机床结构原理进行了研究,进而说明了该技术的优点。
- Normal equidistance line method on aspheric optical parts machining 法线等距离线法加工非球面光学零件的研究
- Keywords Normal Equidistance Line;aspheric conicoid;Machining tool; 法线等距离线;非球面;加工机床;
- The computer has a normal qwerty keyboard. 这台计算机有标准的英文键盘。
- The situation has returned to normal in the city. 这座城市的局势已恢复正常。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- Everything is absolutely normal. 一切完全正常。
- This case is not amenable to the normal rules. 这件事经不起常规的检验。
- The doctor said the child's temperature was normal. 医生说孩子体温正常。
- A condition of normal body temperature. 正常体温体温正常的状况
- Normal firmness of a tissue or an organ. 健康状态某个组织或器官所具有的正常坚韧性
- Less than the normal ability to respond to stimuli. 敏感减轻对刺激反应能力低于正常水平
- The bus service have returned to normal after the strike. 罢工结束後公共汽车恢复了正常的运营。
- Loss or removal of normal pigmentation. 褪色丧失或转移正常的着色
- She refused to conform to the normal social conventions. 她拒绝遵从正常的社会习俗。
- The disease shuts the boy off from most of the activities of normal children. 疾病使这个男孩不能参加正常孩子的大部分活动。
- The experiments justify changing the normal method of work . 这些试验说明改变通常的方法是对的。
- The rain raised the river two meters above normal. 雨水使得这条河水位超出标准两米。
