查询词典 cotangent

By means of uniting geometry with algebra, the arc length, tangent line, cotangent space and curvature of curve in four dimensional space are investigated, and the corresponding calculation formula in each cases are given.

用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题，并给出了其计算公式。

The inverse function of that restricted cotangent function is called the arccotangent function.

被限定的余切函数之反函数叫做反余切函数。

The value, y, of the inverse function to cotangent at argument x.

余切函数的反函数。

Most of us can't tell our secant from our cotangent.

我们中的大多数不能分辨正切余切。

It actually represents the Frog Kok of Cotangent value.

它实际上代表了辙叉角的余切值。

According to the author's Cotangent relations theorem, bearings-only target tracking with linear motion is achieved.

根据所提出的余切关系定理，实现了纯方位观测的直线运动目标跟踪。

A new cotangent theorem is deduced to solve the nonlinearity for bearing-only measurement.

通过新提出的余切关系定理，解决了单站纯方位观测的非线性问题。

Mechanics has two main branches,Lagrangian mechanics and Hamiltonianmechanics:Lagrangian mechanics is based on variational principles and Hamil-tonian mechanics is based on symplectic structure of cotangent space.

力学有两大主要分支：基于变分原理的Lagrangian力学和基于余切空间的辛结构的Hamiltonian力学。

Use in VB API Dynamic drawing, including sine, cosine, tangent, Cotangent, can also modify the code-defined functions.

在VB中利用API实现动态画图，包括正弦，余弦，正切，余切等，也可以通过修改代码自定义函数。

More precisely, we obtain an important relation between the mapping Ψ, which plays an important role in defining obstruction set, and the mapping on the cotangent bundle induced by the original diffeomorphism. We show that the only difference between them is a nonlinear factor.

在§3.2中我们得到了在定义阻碍集这一概念中起着关键作用的Ψ映射与原来映射在其余切丛上所诱导映射之间仅仅只相差一个非线性因子这一重要关系。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。