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。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。