三角形

The watermark was embedded in vertexes which were associated with smaller acute angle of right triangle. It used the LSB method to embed watermark.

选择直角三角形中较小锐角所在的顶点作为水印的嵌入点，水印嵌入采用修改最不重要位的方法。

According to certain tie in 2 values image the condition finds candidate face and demarcate, search the area of " empty " in 2 values image next, if position of " empty " shows acute angle triangle to distributing fitly, and be located in inside candidate face area, prove this awaits electorate region to be person face area namely.

在二值图像中依据一定的约束条件找到候选人脸并标定，然后搜寻二值图像中的"空洞"区域，假如"空洞"位置恰好呈倒锐角三角形分布，且位于候选人脸区域内，则证实此候选区域即为人脸区域。

The application problems mainly focus on how to solve triangle, acute triangle function, equation, inequation, function and its image, the three-dimensional image of a solid; while such knowledge as, plane geometry, solid geometry, operation of number and equation, trigonometric function equation, permutation and combination, ordered series of numbers sum, probability has no application problems.

4高中物理学习中存在运用困难的数学知识主要有函数及其图像、解三角形、锐角三角函数、方程、不等式、求函数极值、几何体的三视图等，然而，平面几何、立体几何知识、数与式的运算、三角函数公式、排列组合、数列求和、概率等知识基本没有运用困难。

Ratio of the adjacent to the opposite side .

直角三角形的一个角的邻边与对边之比。

Ratio of the opposite to the adjacent side .

直角三角形的一个角的对边与邻边之比。

Ratio of the hypotenuse to the adjacent side .

直角三角形的斜边与一个角的邻边之比。

And they are guarding the Grecian and Mediterranean Sea's true storehouse—the golden mask of Agamemnon.

千百年来，重逾二十吨的三角形门楣上刻着的一对雄师护柱的浮雕和巨石垒成的高大城墙庄严守卫着宫殿，同时也守护着希腊的，也是地中海的真正的宝藏——阿伽门农黄金面具。

If fractional equation into Interdisciplinary equations into algebraic geometry problem, the problem will be transformed into quadrilateral triangle problem.

如将分式方程化为整式方程，将代数问题化为几何问题，将四边形问题转化为三角形问题等。

Based on the proper segmentation of algebraic curves,the convex hull of curve segment was given.

基于代数曲线的合理分割，给出了曲线段的三角形凸包的描述。

These cells were also identified with alkaline phosphatase staining and Alizarin red staining of calcified nodules.

结果：①人胚成骨细胞原代和传代培养的生长特征：原代培养至第5天，骨块边缘出现零散的细胞，这些细胞的形态主要为梭形、三角形或多边形。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。