Three bearing point of the 3-DOF Parallel Driven Platform adopted the distribution of the right triangle, and calculation and comparison with the other three bearing point of parallel driven platform show that the platform only produces a additional movement of rotating z_axis, and the structure is simple, and easy to r.
该三自由度并联驱动平台的三个支撑点采用直角三角形分布 ,经推算 ,和其它三点支撑的并联驱动平台相比 ,该三自由度并联驱动平台结构只产生绕z轴的附加运动 ,具有结构简单、易实现的优点 。
According to the research of the sides and the integer in a right triangle, this thesis puts forward the subject on the numbers of triangles on condition that the hypotenuse is the odd prime number and the right-angle side is the integer, and then makes a demonstration for it by means of the formula 2n+1=p, and number sequence.
本文通过对直角三角形边与整数的研究 ,提出了斜边为奇素数、直角边为整数时 ,三角形个数的问题 ,并运用 2n + 1=p和数列给出了证明。
Radioactive shield configuration can be described by some basic bodies such as right angle wedges and truncated right angle cones.
辐射屏蔽体可用直角三角柱、圆锥台体等一些基本的三维几何图形来描述。
DA triangle with one90° angle is a right triangle.
一个角为90°的三角形是直角三角形。
The hypotenuse is the longest side of a right triangle.
直角三角形的斜边是直角三角形中最长的边。
the side of a right triangle opposite the right angle.
直角三角形的相对于直角的边。
The trigonometric functions are defined for right triangles.
三角函数是对直角三角形定义的。
The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数
The reciprocal of the sine of an angle in a right triangle.
余割直角三角形中一个角正弦的倒数
A right triangle is formed by lines joining points SPQ.
SPQ三点联结后即构成一个直角三角形。
the longer (or long) edge of the door; the hypotenuse is the longest (or long) side of a right triangle.
较长的（或长的）门边；直角三角形的斜边是直角三角形中最长（或长的）。
This law is true of any right triangles.
这个定律适用于任何直角三角形。
To measure by using trigonometry.
用平面直角三角形计算工具测量
function of an angle expressed as a ratio of the sides of right-angled triangle containing the angle.
直角三角形各角的函数是用各边的比来表示的。
ratio of the opposite side to the hypotenuse.
直角三角形的一个角的对边与斜边之比。
ratio of the hypotenuse to the opposite side.
直角三角形的斜边与一个角的对边之比。
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。
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 adjacent side to the hypotenuse.
直角三角形的一个角的邻边与斜边之比。
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。
Research of space angles by graphic method
广义直角三角形法图解空间角度问题研究