arc

noun

1. electrical conduction through a gas in an applied electric field

Synonym: dischargesparkelectric arcelectric discharge

2. a continuous portion of a circle

3. something curved in shape

Synonym: bow

verb

1. form an arch or curve

e.g. her back arches
her hips curve nicely

Synonym: archcurve

1. 弧形；弧线
An arc is a smoothly curving line or movement.

e.g. The Aleutian chain is a long arc of islands in the North Pacific.
阿留申群岛是北太平洋上一长串呈弧形排列的小岛。

2. 弧
In geometry, an arc is a part of the line that forms the outside of a circle.

3. 成弧线；呈弧形
If something arcs in a particular direction, it makes a smoothly curving line or movement.

e.g. A rainbow arced gracefully over the town.
彩虹在小城上空画出了一道优美的弧线。

1. 创建圆弧：AA: 测量区域和周长(area)AL: 对齐(align)AR: 阵列(array)ST: 打开字体设置对话框(style)SC: 缩放比例 (scale)SN: 栅格捕捉模式设置(snap)DT: 文本的设置(dtext)A ---- 创建圆弧(ARC)AA ---- 计算对象或指定区域的面积和

2. arc在线翻译

2. 电弧：6) 电弧(Arc)放电中产生的分解物(HF、 SF4、 CuF2、 WF6 )对人体有害,为了最大限度缩小这些元素的发生量,本社将开断部的水分管理在 150ppm(by vol)以下,设计成吸附剂要能够吸附分解生成物.

3. 拱：该方法在传统浅埋暗挖分部法的基础上吸收了盖挖法的特点.将明挖框架结构施工方法和暗挖法进行有机结合.即在地面不具备施工基坑围护结构的条件下,改在地下先行暗挖的导洞内施作围护边桩、桩顶冠梁,使围护桩、桩顶冠梁、顶拱共同构成桩(Pile)、梁(Beam)、拱(Arc)支撑框架体系'简称PBA工法),

4. arc：anti-reflective coatings; 减反射膜

5. arc：automatic remote contros; 自动遥控

6. arc：automatic reset counter; 自动清零计数器

7. arc：annual report card; 授予年度成就奖