arc

noun

1. 弧
   part of a circle or a curved line
2. 弧形
   a curved shape
   1. the arc of a rainbow
      彩虹的弧形
   2. The beach swept around in an arc.
      海滩呈弧形伸展开来。
3. 电弧
   an electric current passing across a space between two terminals

verb

1. 作弧形运动
   to move in the shape of an arc
2. 形成电弧
   to form an electric arc

1. N-COUNT 弧形；弧线
   An arc is a smoothly curving line or movement.
   1. 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. VERB 成弧线；呈弧形
   If something arcs in a particular direction, it makes a smoothly curving line or movement.
   1. 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. 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. A rainbow arced gracefully over the town.
   彩虹在小城上空画出了一道优美的弧线。
3. Joan of Arc was finally canonized by Pope Benedict XV in 1920.
   圣女贞德终于在1920年由教皇本尼狄克十五世封为圣徒。
4. His pass described a perfect arc through the leaden sky.
   他的传球在阴沉的天空中划出了一道完美的弧线。
5. A group of actors are rehearsing a play about Joan of Arc
   一群演员正在排演一出关于圣女贞德的戏。
6. The sun appears to move in an arc across the sky.
   太阳看起来在天空中以弧形运行。
7. When the moon is new it looks like an arc of light in the sky.
   新月看起来像天空中的一盏弧形灯。
8. Saint Joan of arc isn't simple person.
   圣女贞德不是一个普通的人。
9. Stable arc, less spatter and deep penetration can ensure welding quality well.
   稳定电弧，减少飞溅和深穿透，可确保焊接质量良好。
10. The background, present achievement and development of low voltage arc fault detection were expounded.
    阐述了低压电弧故障检测的研究背景意义、内容成果及发展。
11. The key factors influencing the secondary arc current and the recovery voltage were researched.
    研究了影响潜供电流和恢复电压的关键因素。
12. The paper introduced a kind of time domain model for harmonic analysis of arc furnace.
    文章介绍了一种用于电弧炉谐波分析的时域模型。
13. The gaspore sensitivity, extruding performance and arc spray force are studied in this paper by experiments.
    通过试验研究，本文着重说明了高纤维素型焊条的抗气孔性能、涂压性和电弧吹力及其影响因素。
14. Detective and Analytical Systems for the Dynamic Parameters of Arc Welding Process
    弧焊过程动态参数的检测和分析系统
15. Parameters optimization of arc spray process for aluminum based cored wire;
    经研究得到了铝基粉芯丝材电弧喷涂的最佳工艺参数。
16. Arc Spraying of other parameters by the spraying equipment and spraying decide the properties of materials.
    电弧喷涂的其他规范参数由喷涂设备和喷涂材料的特性决定。
17. Design of clamp and positioner of arc welding robot flexible workstation for sliding doors;
    研究了弧焊工作时机器人和变位机的协调运动并推导出数学模型。
18. A novel technique was developed to diagnose arc ion plating plasma with a Langmuir double probes.
    本文利用基于虚拟仪器的朗缪尔双探针系统对电弧离子镀等离子体进行了诊断研究。
19. The principle and construction of the AC arc.
    介绍了交流电弧离子镀的原理和结构。
20. Gaseous helium is used as an inert shielding gas in metal arc and laser welding.
    在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。
21. Meanings and configurations of two characters from the inscriptions on bronze arc interpreted in the paper.
    本文从构形和辞例出发，对金文中的“”字和“”字进行了考释。
22. In this paper, the discrete-time adaptive control of electrode regulator system of arc furnace is discussed.
    讨论了电弧炉电极调节系统的离散时间自适应控制问题。
23. The automatic control method of open arc surfacing welding system was studied for the milling roller.
    为实现磨煤机磨辊明弧堆焊设备的自动化，研究了堆焊机主要运动部分的控制方法。
24. This paper presents generally the method of spectroscopic diagnosis on non-equilibrium arc heated jet and the diagnosed results.
    从一般意义上给出了非平衡电弧加热射流光谱学诊断方法和结果。
25. For duplex stainless steel thermal cutting shall be limited to the plasma arc method.
    对双相不锈钢进行热切割应该仅限于等离子弧切割方法。
26. We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
    本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。
27. The development and current situation of plastic window in Germany arc introduced.
    介绍了德国塑料窗的发展及现状。
28. The pole swung in an arc.
    杆子转了一个弧形。
29. The principle and structure of power supply and HF arc ignition circuit is analyzed in detail.
    详细分析了电源系统和高频引弧电路的结构组成和工作原理。
30. General method and other new technologies of ore smelting electric arc furnace starting-up are introduced.
    介绍了矿热炉开炉的一般方法和两种开炉新工艺。

  arc arch bow curve【导航词义：弧，弧形】

  arc n. 弧；弧线；弧形

〔辨析〕指几何学中的弧，也指弧形或弧线。

  arch n. 弓状物；拱门

〔辨析〕指弧形结构的物体。

  bow n. 弧状物；弓形物

〔辨析〕指弯曲的形状或呈弓形的物体。

  curve n. 曲线；弯曲物

〔辨析〕含义最广，指任何带有弧度的线条或曲线状物。

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
   1. her back arches
   2. her hips curve nicely

   Synonym:    archcurve