查询词典 planar developable surface

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。

The officials offer a safe, fair and developable environment where the common people play their own roles as much as they like.

它们是由官员们提供一个适合发展，安全，公平的环境，让百姓在这一定的时空中，尽情发挥。

But the ruled surfaces in R^3 or R(superscript 3 subscript 1) have vanishing Gauss curvature if and only if they are developable.

这与低维情形绝然不同，在R^3或R(上标 3 下标 1)中只有当直纹面是可展时，高斯曲率才为0。

Metamorphics buried hill is the important prospective and developable layer in JZ oilfield.

变质岩潜山是辽东湾JZ区块重要的油气勘探开发层位。

To adopt the wavelet method to simplify the grids will have wide developable foreground because it has massy theory gist.

由于有坚实的理论依据，采用小波变换实现网格简化的方法也具有很广阔的发展前景。

At last, the author presents the multi-coordinate NC machining methods of turbine wheel with non-developable ruled paraboloid.

从理论上深入分析了叶型为非可展直纹抛物面的叶轮的五坐标侧铣、四坐标侧铣和三坐标端铣数控加工计算方法。

A solution is to minify the cell size to one third of the original size, with removing fragment units and setting a more strict slope threshold .Thus, the stability can be kept and the developable slope area can be reduced.

解决办法为缩小网格单元，将原本25公尺的规定网目细分为三分之一大小，并采用除碎方法以及提高坡度门槛，如此将仍保有高稳定性，并使可开发面积缩小，以降低山坡地开发之压力。

The intertidal zone and the developable land can be backfilled for the project construction.

滩涂、荒地全部都可以通过回填进行造地，用于承接项目建设。

Uighur drama is developable from Tartsztam, rap literature, love stories in narrative poems, madly life and folk entertainment.Uighur drama including poetry, spoken parts in an opera is a local drama in form of national music, song and dance.

木卡姆中的&达斯坦&、维吾尔族的说唱文学和叙事长诗中讲述的许多爱情故事以及&麦西莱甫&和民间娱乐活动中的戏剧成分，经过长期孕育，自然地形成、发展成为&维吾尔剧&这一地方剧种。

Considering the complexity of understanding the world, some science ideologies are hardly validated at the very beginning and taken for serious by mainstream science, so it is essential to differentiate the non-science and pseudo science properly for the sake of the creative ideology, especially the non-western modality seientific ideology getting the developable space.

基于人类认识世界过程的复杂性，有的科学思想可能在开初很难得到验证，也很难为主流科学理喻，因此有必要把一般的&非科学&与&伪科学&进行适当区分，这样有利于给新思想特别是非西方形态的科学思想提供成长空间。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。