arc 六级雅思

The rainbow forms an arc in the sky.

彩虹在天空中呈一个形。

The rainbow described an arc in the dark sky.

彩虹在昏暗的天空划出了一道圆。

This paper introduces the arc added glow discharge ion titanizing technique.

介绍了一种新的表面合化技术———加辉光离子渗钛技术。

The arc bar counter dazzles dexterousness and uniqueness.

向外出的小，炫亮了一份灵巧与别致。

Sharp corners should be radiused to prevent arc over.

这是所有剪裁下来的片子。

The sun appears to move in an arc across the sky.

太阳看起来在天空中以形运行。

A radius dimension line uses one arrowheaded, at the arc end.

半径标示线由箭头线和圆组成。

It features a change with flame revesal,arc shape and existence of subrefining zone.

控制好泡界线即可保证玻璃球内在质量。

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形灯。

A solar phenomenon known as a sundog arcs over the tundra in Churchill, Manitoba, Canada.

/ 太阳的“假日”天文现象半悬于加拿大Manitoba丘吉尔苔原的天际。

Has current preplacement, preview and arc starting current, arc force current regulation function, it makes welding operation easier.

具有流预置预显和引流、推力流调节功能，使焊接操作更容易。

A control system based on single chip microprocessor is designed for submerged arc welder with magnetrol power source.

针对磁放大器式源埋自动焊机设计了单片机控制系统。

The tiny but intriguing yellowish arc visible near the blue nebulae marks young variable star R Coronae Australis.

在蓝色星云附近，微小但迷人的微黄色状可见物标出了年轻可见恒星南冕座R星的位置。

The composites with interpenetrating networks have good structure homogeneous and performance; also their mechanics, calorifics and tribology arc excellent.

网络互穿结构复合材料的组织结构及性能均匀性较好，具有优良的力学、热学和摩擦学性能等。

Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.

克孜拉格岩组原岩为杂砂岩，属盆地沉积；卡拉格兹岩组原岩为岛火山岩。

The carbothermic method of preparation for titanium diboride with titanium oxide and boron oxide in an arc furnace is studied.

研究了碳热还原氧化钛和氧化硼制取二硼化钛的方法，制备出相对纯度大于95％的二硼化钛。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架焊机器人焊缝图象的识别中起到很好的效果。

The effect of process parameters on the electric insulance of micro arc oxidated ceramic coat on aluminium plate is studied.

研究了工艺参数对铝微氧化陶瓷层绝缘性能的影响规律。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、烛接和耐冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The procedure and characteristic of the arc discharge,feature of ignitron,firing way,structure features and its application are described in the paper.

汞光放是一种低气压气体放现象,放流密度大。