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- Keywords Aspheric optical parts processing;Lines enveloping;Circles enveloping;Trajectory copying method;Mathematic model; 非球面光学零件加工;直线包络;圆弧包络;轨迹成形法;数学模型;
- Put the chairs in circles and we will play games. 把椅子摆放成圈，我们要做游戏。
- There has been much gossip in political circles. 政界里有许多流言蜚语。
- He is well-thought-of in government circles. 他在政府各部门中很受敬重。
- Nobody can run circles around him in this field. 在这方面没人能轻易超过他。
- There is a small overlap between the two circles. 在这两个圆周有一小部分重叠。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Circles enveloping 圆弧包络
- He moves in very rarefied circles; his friends are all lords. 他活动于上流阶层，结交的尽是贵族。
- The papers are falling out of the envelop, push them back. 论文从封袋里掉出来了，把它们放回原处。
- He is a man of some influence in the government circles. 他是个在政府内有一定势力的人。
- He steamed the valuable stamp off the envelop. 他用蒸汽熏揭下信封上的邮票。
- He soon became a big fun in political circles there. 不久他就成了当地政界里的一位很有影响力的人物。
- A coat or layer enveloping an organ or a part. 被膜一种覆盖器官或身体部位的覆盖层或包被
- Her wealth gives her enormous leverage in social circles. 她有财富便於她在社会各界造成巨大影响。
- Keep and control the work order collection envelop. 保留并保管工作单收集信封。
- She moves in fashionable circles. 她周旋於上流社会的圈子里。
- This stamp won't stick to the envelop. 这张邮票在信封上贴不住。
- To cover with or as if with folds; envelop. 折叠好象用折页覆盖；封装
- I affixed a stamp to the envelop. 我把邮票贴在信封上。
