研究了体视投影的复原问题，提出了根据两个完全四点形为体视投影恢复三直角四面体的方法。
The problem of reconstruction of a stereo projection is studied. The method of reconstructing a trirectangular tetrahedron from a stereo projection made up of two complete quadrangles is put forward.
你就得到一个直角三角形。
这次，创建的是一个简单的文本框表单，对应于直角三角形的对边和斜边。
This time, you create a simple textbox form that corresponds to the opposite and hypotenuse of a right triangle.
学习过大学物理和高等数学的同学会发现，这个等式会在很多地方出现，不只是在直角三角形中。
Those of us who stuck it out into college physics and higher math learned that this equation shows up a lot more than in just right triangles.
你的腿比等腰直角三角形漂亮多了。
先选择哪种可能的情况无关紧要，因此我选择直角三角形。
It doesn't matter which possibility I choose first, so I pick a right triangle.
还有那些按钮也很难对付，但我还是搞明白了：“放入”键是个直角三角形，“停止”键是两条竖线。
It's rather hard to deal with buttons, but I managed to do it: "Insert" is a right triangle, "Stop" - two vertical lines.
如果您用三角形的角度进行测试，那么可能的类型是直角、锐角、钝角或等角三角形。
If you test by the triangle's angles, possible types are right, acute, obtuse, or equiangular.
等边三角形三边相等三内角相等。直角三角形有一个角等于90度。
An equilateral triangle has all sides equal and all angles equal. A right triangle has one Angle equal to 90 degrees.
例如，直角三角形斜边的平方，等于其它两边的平方和。
For example the square on hypotenuse of a right Angle triangle is equal to the sum of the squares of the other two sides.
代码示例5：添加对非直角三角形的测试。
勾股定理(Pythagorean Theorem)告诉我们边长为3、4和5的三角形是直角三角形，因此可以使用边长3、4和5来简单地测试。
The Pythagorean Theorem tells us that a 3-4-5 triangle is a right triangle, so we can simply test for sides of 3, 4, and 5.
当实现对等边三角形和等腰三角形的测试时，我认识到我只用了delta值来用于直角三角形的计算。
As I implemented the tests for equilateral and isosceles triangles, I realized that I was using only the delta value for calculations in right triangles.
代码示例7：用于检验直角三角形的代码。
代码示例8：保护直角三角形的属性。
代码示例6：在主测试中检查是否为直角三角形。
代码示例3：直角三角形测试。
它按着既定的方式改变,因此当θ改变时，a保持不变，同时b改变,从而我们保持为直角三角形。
It changes in whatever way it has to change so that when theta changes, a stays the same while b changes so that we keep a right triangle.
给定周长寻找直角三角形。
直角三角形和欧几里德范数
假定a，b和θ之间存在一个关系,这是事先所不知道的，这个关系可以是，三角形是直角三角形？
Now, let's say, actually, there is a relation between a, b,and theta that I didn't tell you about, namely, actually, I want to assume that it's a right triangle, OK?
Blackburn教授的公式通过对车的弧度和转角能力画圈，利用圆心来设置一个直角三角形。
Blackburn's formula does this by sketching the arc of your car's turning capability into a full circle, then using the center of the circle to create the right-angle triangles Pythagoras loved.
直角三角形有一个角是直角。
针对二值图像的几何相似性，本文提出一种基于等腰直角三角形的压缩算法。
We put forward an compression algorithm based on isosceles right triangle according to the geometric similarity of binary images.
直角三角形的斜边是直角三角形中最长的边。
最多才多艺形状是一个简单的直角三角形，使提出的两种截然相反的角落折叠在一起的平方的一半。
The most versatile shape is a simple right triangle, made by bringing two opposite corners together to fold the square in half.
一些人需要复习一点数学课程，正弦的作用是给出在一个直角三角形中的一个已知角所对应的一条边与直角三角形斜边之间的比率。
For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given Angle in a right triangle to the hypotenuse.
此示例通过对两个变量应用SQUARE函数然后计算其和的平方根，返回直角三角形第三边的长度。
This example returns the length of the third side of a right triangle by applying the SQUARE function to two variables and then calculating the square root of their sum.
此示例通过对两个变量应用SQUARE函数然后计算其和的平方根，返回直角三角形第三边的长度。
This example returns the length of the third side of a right triangle by applying the SQUARE function to two variables and then calculating the square root of their sum.
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