查询词典 surfaces

We proved that the necessary and sufficient condition that the developable surfaces touch the second focal surface along the orthogonal trajectories was that the base surface S was a developable surface.

证明了线汇中的两系可展曲面交第二叶焦曲面于正交轨线族的充要条件是原曲面是可展曲面，并给出了两叶焦曲面在同一条光线上两焦点相互对应下，保持渐近曲线相互对应的充要条件。

The following discussion of developable surfaces is based on that concept.

下面关于可展面的讨论，便是基于这一理解。

Techniques for the geometric design of developable surfaces herein had all the characteristics of existing approaches for curves design.

讨论了所设计可展曲面的特点和几何构造，研究结果表明，所提出的设计方法具有现有曲线设计方法的特征，现有的对于曲线的一些几何构造技术可延伸到可展曲面的设计。

The cylinder, cone and of course the plane are all developable surfaces.

圆柱、圆锥以及平面都是可展面。

It shows that some of the geometric construction algorithms that exist for curves can be also generalized to the design of developable surfaces.

基于将可展曲面作为平面单参数族包络面的思想，给出在B啨zier和B样条基下可展曲面的参数表示形式。

In addition, StabiliTrak, Cadillac's world-class stability-control system, makes DeVille's handling even more predictable and consistent under all driving conditions and road surfaces.

此外，了StabiliTrak，凯迪拉克的世界级稳定控制系统，使德维勒的处理更加可预测，在所有驾驶条件和道路一致的表面。

Burning is completely unrestricted, such that the grain burns on both inner and outer diametrical surfaces, as well as both ends.

燃烧是完全不受限制的，如粮食烧伤面积在双方内部和外部径向面，以及两头。

This arrangement, referred to as a BATES configuration, requires that the outer diametrical surfaces of the segments be inhibited such that only the ends and core of each segment are exposed to initial burning.

这项安排，称为贝茨配置，要求外表面径向环节受到抑制，例如，只有两端和核心，每一部分都暴露了初步燃烧。

The macropolarity of diaspore surfaces is high, and the adsorbed layer formed in such a manner is sporadic.

当阳离子表面活性剂浓度增加时，一水硬铝石表面的微极性降低，阳离子表面活性剂在一水硬铝石表面形成了胶束吸附，形成胶束的表面活性剂离子的数随其浓度的增加而增加，表面疏水性逐渐增强，直至完全疏水。

Influence of dielectric loss on the transmission properties of frequency selective surfaces.

介质损耗对频率选择表面传输特性的影响。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。