查询词典 arc length

If the length of the arc ADB is equal

若弧ADB 的长

Then, an improved method was proposed, which was obtained by a modification of neighborhood on the basis of classical ratio of arc to chord length, and the specific method of evaluation was provided.

结合弧比弦度量法与垂比弦度量法的优点，提出了一种改进的垂比弦度量方法，并给出具体的评价方法。

The central angle opposite to an arc of length equal to the radius is called an angle of 1 radian.

radian 长度等于半径长的弧所对的圆心角叫做1弧度的角。

A quantity that has a limit or boundary.The limit of this ratio as the length of the arc approaches zero.

微积分学数学的一个分支，处理单变量或多变量函数的极限、微分以及积分问题

The principle of the self-regulating effect is that different heat production of cathode and anode make two cores length in the arc different.

在另外的文献[5]中也认为阴、阳极的能量不相等，但认为阴极压降较大导致在阴极产生的能量比阳极的多。

The circumference of a circle of 60 meters,Three points are located at the circumference of this circle divide the circle into three equal length of arc.

圆的周长60米，有三点位于圆的周围，这三点将这个圆分成了三个同等长度的圆弧。

A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.

一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。

Based on the reasonable simplification and assumption for slewing ring in mechanical engineering, calculating the pressure on unit length of arc at any angle of raceway under different loads of slewing ring .

在对工程机械中常用的回转支承装置进行合理的简化和假设后，根据其受力状况，分别计算出作用在回转支承上的各种载荷对滚道圆周上任意角处单位弧长上所产生的压力，最后应用压力叠加的方法，推导出回转支承装置摩擦阻力矩的计算公式。

Arc second is the unit of length in the celestial sphere.

角秒是天空长度的单位。

We use the waveguide simulation software BeamPROP? to analyze the effects of the Y-branch angle, the radius and central angle of arc waveguides, and the length of straight waveguide on insertion loss and nonuniformity.

采用光波导数值模拟软件BeamPROP~分析Y分叉角度、圆弧波导的半径与圆心角、直波导长度等结构参数对插入损耗与分光均匀度的影响。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。