查询词典 ovate-triangular

Its flat tail fin to be divided into two forks, on both sides of the pectoral fin was like the palm of your hand flat, triangular dorsal fin.

它的尾鳍扁平地分为两叉，两边的胸鳍呈扁平的手掌状，背鳍呈三角形。

Because of many people's fear of the possible penalization of reciprocal links, a lot of webmasters have resorted to triangular linking.

三角联系起来，因为许多人的恐惧可能惩罚的相互联系，有很多网站管理员诉诸三角联系起来。

Prove (8.92) and then calculate the percent error in the ground-state energy, using this triangular function.

证明（8.92），然后用三角函数计算基态能量的百分误差。

The influences of the wave vectors off the periodic plane on the distribution of energy bands of triangular,honeycomb and square lattices are analyzed by plane wave method .

利用平面波法分析了由介电常数为13和1的两种介质分别构成圆形柱和背景组成的三角晶格、蜂巢状晶格和正方晶格，波矢偏离周期性平面对它们能带分布及应用的影响。

The picrite field, located in the southwest of Emeishan continental flood basalts and with the center in Lijiang—Dali—Panzhihua triangular area, is about 5×104 km2 and regarded as the axial area of the Emei mantle plume.

峨眉山大陆溢流玄武岩的西南部以丽江、大理和攀枝花三角区为中心的苦橄岩分布区，面积约5×10 4 km2 ，为峨眉地幔柱的轴部区。

Hole repairing in triangular mesh models and piecewise smooth B-Spline surfaces fitting have been studied in this dissertation.

本文对三角网格模型上的孔洞修补及分片光滑B样条曲面的拟合技术进行了研究。

Primary pilot survey of long distance pipeline can not depend upon the national pilot points which are severely damaged, and therefore will result in large work quantity and cost, and limted progress if using the conventional pilot network which is made up of triangular chains or net.

目前国家测量控制点已被严重破坏，不能满足长输管道首级控制测量的要求(每20～30km与国家点联测一次)。常规控制网是以三角形构成的锁、网组成，用这种方案进行长输管道测量的首级控制时，工作量大，费用高，且控制网的推进速度慢。

The plane adopts the joint method of both the finite element and the finite difference to divide plane domain by means of irregular triangular net in order to fit topography and coastal line complicated sea zone; Vertical application σcoordinate conversion and the finite difference method.

平面采用有限元法和有限差分法相结合的方法，用不规则三角形网格剖分计算域，以适应地形和岸线复杂的海区；垂向应用σ-坐标变换及有限差分法。

The intersection of a composite triangular Bezier surface and a plane is another aspect of intersection study.

计算复合三角Bezier曲面与平面的交线是本文研究求交问题的另一个方面。

The method of building triangular grid model of 3D object surface with plane Delaney triangle is introduced.

三维激光扫描数据般是具有四边形网格结构的影像数据，当多幅扫影像数据合并成整幅影像后重新建立模型时，通也需要建立整幅影像的三角形格网来生成等值。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。