弧长

The results of simulation under different current, arc length and capacity of airstream show that the trends of change are in good agreement with arc theory. This can be considered a proof of exactness in the simulation.

对改 变电流、弧长和气流量对电弧各物理特性影响的模拟结果表明，其变化趋势与电弧理论基本吻合，同时也证实了该模拟的可靠性。

A milliradian is an angular unit of measure. 1 milliradian equals one yard at 1000 yards and 1 meter at 1000 meters (see Minute of Angle for explanation ).

千分之一弧度是一个度量单位。1千分之一弧度对应1码在1000码和1米在1000米的弧长。

Based on the mathematical model, the variation of arc length is bigger than that of wire extension.

结果表明，高速旋转电弧焊接时，弧长的变化较焊丝伸出长度的变化更为显著。

The experiments show that the system can complete synergic control and arc length control .

实验结果表明：该系统能够实现协同控制和弧长控制，具有操作简便和适应性强的特点。

In touring, camera can be switched according to the equal arc length points and tour velocity.

在自动漫游的时候再根据等弧长的点和漫游速度切换摄像机。

A easy and feasible method to precisely measuring arc length on part's convexity is introduced in this paper.

介绍了一种精确测量零件凸面弧长的较简便易行的方法。

Meridian arc length used to develop the length of units, is already being used in China.

用子午圈弧长来制定长度单位，在中国早已采用。

Applications of integral calculus include computations involving area , volume , arc length , center of mass , work , and pressure .

积分的应用，涉及领域包括计算，体积，弧长，中心的质量，工作和压力。

The arc length is one of the most sensitive parameters that influence welding quality at all-position TIG welding.

在厚壁管窄间隙全位置TIG焊中，弧长是影响焊接质量最敏感的焊接参数之一。

Took Sanchaji suspension bridge in Changsha as a case study, based on different hypothesis, two methods were deduced, the parabola method of cable gravity distributing uniformly along the span, and the catenaries method of gravity distributing equally along the curve.

以长沙市三汊矶湘江大桥为工程背景，对自锚式悬索桥的主缆线形及无应力长度的计算方法进行了研究，推导出两种基于不同假定下的主缆线形及无应力索长的计算方法：假定主缆自重沿跨径均布的抛物线法和假定主缆自重沿弧长均布的分段悬链线法。

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。