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- Four-axis NC machine tools with rotation table are most suitable for the machining of rotationally complicated compound free form surfaces. 摘要带回转工作台的四轴机床最适合用来加工由复杂多曲面构成的回转体类模具或零件。
- Aimed at two shortages during rough working procedures-cast blanks with large-scale free form surfaces are distorted significantly and cutting stocks are distributed very dispersely, a new hogging algorithm is proposed. 摘要提出了一种新的毛坯荒加工算法，解决了在粗加工时大型复杂曲面毛坯变形严重、馀量分布不均匀等问题。
- High-density plywood was used for all formed surfaces. 对所有模板表面均使用了高密度的胶合板。
- The inner surface precision grinding of the radome is the machining of a free form surface. 为此研制了天线罩内廓形数字化测量与数控磨削系统。
- By now free form surface modeling is an important research branch of CAD/CAGD, it is also the foundation of CAM technology. 自由曲面造型是当前CAD／CAGD的一个重要研究方向，也是CAM技术的基础。
- On the basis of the differential geometry, the geometrical theory of machining free form surface by cylindrical cutter in 5-axis NC machine tool is investigated. 从微分几何学的角度,探讨了在五坐标数控机床上采用圆柱形刀具线接触加工自由曲面的几何学原理,分析了刀具面与被加工曲面二阶密切的条件。
- Based on a 3-legged 5-DOF (Degree of Freedom) in-parallel virtual axis machine tool, magnetic abrasive finishing experiments for free form surface of mould were carried out. 摘要基于三杆五自由度并联机床进行了对自由曲面模具磁力研磨的试验研究。
- With the flexible spatial layout and the degree of design freedom of the free form surface (FFS), the structure of the optical system was simplified and the quality of the image was improved. 由于自由曲面灵活的空间布局和设计自由度，使光学系统的结构得到了简化，像质得到了提高。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The chemical etching method wa applied to form surface texture of multicrystalline silicon in order to reduce the reflectance of the surface. 为了降低光在多晶硅表面的反射,采用化学腐蚀法在其表面制备了绒面。
- OPTIMAL FEEDRATE CONTROL FOR MULTI-AXIS CNC MACHINING OF FREE FORM SURFACES 多坐标曲面加工中进给速度的优化控制
- Automatic determination of parting line for molded part with free form surfaces 多自由曲面产品注塑模具分型线的自动确定
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- From the diachronic perspective,varieties demonstrate the in-depth culture while similarities are minor and form surface structure of culture from the synchronic side. 从共时角度看,多样性是主要的,是文化的深层结构。从历时角度看,文化趋同是次要的,是文化的表层结构。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Free Form Surface Modeling with Grid Cloud Data 栅格型点云数据的自由曲面建模技术研究
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- Reverse car outside door plate free - form surface 轿车门外板自由曲面的反求
