三角形

A percussion instrument consisting of a metal bar bent in the shape of an open triangle.

由在敞开的三角形结构中弯曲的金属棒组成的打击乐器。

Each section of S cut by a plane perpendicular to the x axis ...

用一个垂直于x轴的平面来切割S，所得的每个截面都是等边三角形。

It must be triangle shaped with black pictogram on yellow background with black edging (yellow must be at least 50 % of the panels surface).

必须采用三角形、黑色图案、黄色背景、黑边（黄色必须占标识牌面积的50％）。

To achieve better than first-order accuracy in Godunov method, a piecewise linear function instead of a piecewise constant function is used along the line between the centroids of two neighbored cells.

为了提高Godunov算法的求解精度，本文将相邻两个三角形单元重心连线上的参数分布看作是分段线性函数，线性函数的坡度取决于网格单元内参数分布的梯度在插值方向的投影。

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。

One type is self- contained , with all hydraulic pressure applied to the pitman arm shaft.

一种是独立的，所有的液压力都施加在摇臂轴上。三角形两边的夹角。

In addition, we prove that every planar graph without 4-circuits and intersecting triangles is (3, l)*-choosable.

此外，论文还证明了每个无4-圈和相交三角形的平面图是(3，1)~*-可选色的。

In Chapter 3,we obtain that:(1)each planar graph without 4-cycles is acyclically 6-choosable;(2)each planar graph without 4-cycles and without triangles at dis-tance less than 3 is acyclically 5-choosable.

在第三章中，我们获得了以下两个结果：(1)每个不包含4-圈的平面图是无圈6-可选择的；(2)每个不包含4-圈并且任意两个三角形之间的距离至少是3的平面图是无圈5-可选择的。

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。

A triangle is a plane figure with three sides .

三角形是有三个边的平面图形。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。