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通常我们用符号s来表示弧长。
So, the usual notation that we will have is for arc length.
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尤其是你怎么把弧长和时间联系起来？
Well, so in particular, how do you relate arc length and time?
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我意思是弧长可正可负。
I mean, arc length could be positive or negative.
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此刻你只能有两种操作：线或弧。
You will now have two options: Line or Arc.
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深弧型的独特设计，反光效果更佳。
The unique curved design of deep, reflective better.
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下一步，我们要创建弧的一部分。
Next, we're going to create that arc part.
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通过拖动可向弧或圆添加尺寸。
Drag to add a dimension to an arc or circle.
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弧型的彗星轨迹是非常罕见的。
It is very rare to see a curve on the comets' path.
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普通等离子弧切割机的电源。
Ordinary plasma arc cutting machine power supply.
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通过试验得到了燃弧能量、时间曲线。
The energy and time curve of the arcing was got after testing.
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第一个图形是一段弧，后跟一条直线。
The first figure is an arc followed by a line.
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现在你得到了一个由聚光灯构成的弧。
Now you have an arch made out of spotlights.
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接下来我想介绍一下弧长。
So, the next concept that I want to define is that of arc length.
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微弧氧化是一种新型的表面处理方法。
Micro-Oxidation is a new method for surface treatment.
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对于配数控用，应选择非接触起弧方式。
To match with numerical control, should choose the contact arcs way.
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当车轮旋转时，LED灯形成一个光弧。
As the bike wheels spin, the LEDs form an arc of light.
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但电缆长，会减低其起弧穿孔和切割能力。
But cable long, can reduce the arcs perforation and cutting ability.
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第一个图形是一段弧，后跟一条直线。 。
The first figure is an arc followed by a line.
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请注意，从中心开始数的第三个弧未填充。
Notice that the third arc from the center is not filled.
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要打弧旋球是非常困难的，但是我不介意。
It's harder to bowl hook shots, but I don't mind.
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研究焊弧的电磁兼容问题是有实际意义的。
So the research on arc's EMC is essential.
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基于三圆弧新型线叶片。
Based on the three circle arc tip.
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第一个图形是一段弧，后跟一条直线。 。
This is a three-dimensional figure.
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单个弧是不能求长的。
The individual arcs cannot be rectified.
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每个人都是一段弧，能凑成一个圆的两个人！
Each people all are section of arcs, can add up to round two people!
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我不会离开弧零零的你！
I'll not leave thee, thou lone one!
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动态特性优良，引弧容易，焊接过程飞溅小。
Fast dynamic response, easy arc ignition, little spatter.
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其方法主要采用两种方式：时角法和弧长法。
The method mostly use of two modes that are time Angle and arc-length.
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我们能操作各种面，同时也可能操作复杂的弧。
We can manage all kinds of faces, and the arcs can also be complex.
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本文介绍弧焊机器人焊接系统的研制及应用。
Development and application of welding system of are welding robot are introduced in this paper.
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