图上精确的地球大地水准面是根据洋流、海平面的变化和地球冰川等元素的精确数据测量而成。
A precise model of Earth's geoidis crucial for deriving accurate measurements of ocean circulation, sea-level change and terrestrial ice dynamics.
该系统实现了小尺寸复杂型面的高精度测量，在精密刀具等小尺寸复杂型面零件的逆向工程中具有极大的应用价值。
The scanning system can realize high precision measurement of small size complex surface and can be applied in the reverse engineering and development of (advanced) machining tools.
相反，他们已经开始尝试利用线、面、节奏、笔触等绘画的基本语言来反映画面的空间关系。
On the contrary, they began to try to depict space with basic language of painting such as line, surface, rhythm and brushwork.
本文提出一种全新的，可推广至一般二次曲面的旋转抛物面实时成象的等灰曲度线算法。
This paper presents a new algorithm for realtime generation of rotating paraboloid images, which can be extended into quadric surfaces.
图上精确的地球大地水准面是根据洋流、海平面的变化和地球冰川等元素的精确数据测量而成。
A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea-level change and terrestrial ice dynamics.
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
研究建筑上常用的柱状面、锥状面和双曲抛物面等不可展直纹曲面的几何性质。
This paper explores three ruled surfaces geometry properties about columnar surface, cone surface and hyperbolic parabobid.
描述了每种保险的效果、问题、可负担性、覆盖面、各方面的意愿等问题。
Effectiveness, problems, affordability, coverage, willingness of stakeholders on each insurance, etc, are described.
弹性强，磨削量大，高效，长寿命，主要用于金属、非金属表面的抛光，对复杂型面进行修焊缝、去毛刺、除锈等。
With good flexibility and dust removal, high efficiency and long working life time. Mainly used for polishing the surface of metal, non-metal, removing rust and burr etc.
面的形状分为普通、粗面、龙须面等。
另一面，由于在文化、语言等诸多方面的不同，即使他们的子女能够及时入学，也存在很多学习上的问题。
The other side, as in culture, language and many different areas, even if their children to the school in time, there are many learning problems.
本文较系统地讨论了模拟岩体弱面的等厚度四节点弱面单元，着重分析了岩体转动对弱面单元的影响。
This paper discusses the simulation of weak plane by means of four-node weak plane element with uniform thickness, laying emphasis on the influence of turning rock mass to the weak plane element.
家庭方面的原因包括：监护缺失的家庭结构、沟通不畅的亲子关系、错位的家庭教育等三方面；
The reasons of family include: lack of care of family structure, poor communication between the parent-child relationship, such as dislocation of the three aspects of home education;
它可适应于垂直壁画和天花板等各种壁面的爬行，是对高层壁面或容器的维修和检测的良好工具。
It is able to walk on different surface, such as vertical wall and ceiling. It is a suitable tool...
它可适应于垂直壁画和天花板等各种壁面的爬行，是对高层壁面或容器的维修和检测的良好工具。
It is able to walk on different surface, such as vertical wall and ceiling. It is a suitable tool...
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