查询词典 Pascal triangle

In this thesis, a novel method is proposed to raise the quality of triangular mesh generation. Whereas previous refinement methods mainly focus on inserting a new vertex into the circumcenter of a skinny triangle or tetrahedron, the proposed method is striving to insert a vertex near the geometric center of an effective region.

鉴於前人提出之refinement方法，主要乃以插入形状低劣之三角形外接圆之圆心，以提高网格品质；本文提出一新的思考观点，乃试图插点於其影响区域之中心，以提高其品质。

200 term pregnant women were enrolled. The way of parturition was determined by comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area and traditional method.

选择200例正常足月妊娠的孕妇，用骨盆出口后三角外接圆面积与胎头横截面积比较的方法和传统的判断试产的方法来决定孕妇分娩的方式。

The Delaunay triangulation is an aggregate of connected but nonoverlapping triangles, and the circumcircle of each triangle contains no other point in its interior.

Delaunay三角网为相互邻接且互不重叠的三角形集合，其中每一个三角形的外接圆内不包含其他的点。

The method of comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area is a quantitative criteria for iudging trial of labour. It's accuracy of judging trial of labour is high.

骨盆出口后三角外接圆面积与胎头横截面积比较是一个定量的判断试产的标准，判断试产的准确性高。

That of comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area for judging trial of labour was 5.8%.

而骨盆后三角外接圆面积与胎头横截面积比较的方法，剖宫产率为5.8%。

The criteria of the minimum zone circle method, minimum circumscribed circle method and maximum inscribed circle method were researched and the criterion of obtuse triangle was proposed.

研究了圆度误差评定中最小区域圆法、最小外接圆法和最大内接圆法的判别准则，提出了具有最小误差的外接圆和内接圆的钝角三角形准则，使圆度误差的判别准则得到完善。

Based on the criteria of roundness error, the definition of the circumscribed circle and inscribed circle with the least roundness error was given. The solution to the circumscribed circle and inscribed circle with the least roundness error was proposed when they met with the criterion of obtuse triangle.

根据圆度误差评定的判别准则，给出具有最小误差的外接圆和内接圆的定义，并提出了解决具有最小误差的外接圆和内接圆满足钝角三角形准则时的误差评定方法。

From the perspective of geologic evolution, this paper discusses the conformation features of fault block, emphatically demonstrates the closure property of the margin of complex fault block and the controlling of the fault block internal structure on accumulation of CBM, and points out that the synclinal and synclinorial areas of thrust fault block and structurally triangle fault block areas would be favorable for CBM occurrence.

本文从构造演化出发，讨论了区内复杂断块的形态类型特征，着重论述了复杂断块体边界断裂的封闭性以及断块体内部构造配置对煤层气成藏的控制作用。分析得出逆冲断块的向斜、复向斜区域和构造三角断块区是煤层气成藏的有利区块。

Art Corner: color in shapes circle, triangle, square

为各种形状着色，感知不同形状的特点。

Debut, and a continuation of last year's "Iron Triangle "come up with a combination known as the" Village night,"the comic opera, so as to the identity of the old youth about the period of both warmth and funny story.

闪亮登场，并延续去年的"铁三角"组合拿出了一个名叫《山村夜店》的相声剧，以老知青的身份讲述了一段既温情又搞笑的故事。

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。