arc 六级雅思

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

半径标由箭头和圆弧组。

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。

The arc bar counter dazzles dexterousness and uniqueness.

向外弧出的小吧台，又炫亮了一份灵巧与别致。

The rainbow described an arc in the dark sky.

彩虹在昏暗的天空划出了一道圆弧。

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

太阳看起来在天空中以弧运行。

The rainbow forms an arc in the sky.

彩虹在天空中呈一个弧。

Sharp corners should be radiused to prevent arc over.

这是所有剪裁下来的片子。

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

介绍了一种新的表面合金化技术———加弧辉光离子渗钛技术。

In the meantime, absorb many infrared ray, the eye ground that the direct illuminate place of orthoptic sun or intense arc light causes is injured, if common solar sex retina is choroid burnable.

同时，吸收大量的红外，直视太阳或强烈弧光的直接照射所造的眼底损伤，如常见的日光性视网脉伤。

The chimney is the arc screen board, upside inserts the fish hypogastric the aperture, lower part inserts in the lamp panel, may control rotates opens and closes, adjusts the luminosity willfully.

灯罩为弧屏板，上部插入鱼腹下的开口，下部插入灯盘内，可左右转动开合，任意调节光度。

The contact between welding plate and fixture is treated as constraint in the finite element model of dynamic welding angular distortion simulation for overlayer in CO2 gas arc welding.

摘要采用有限元数值模拟方法研究了CO2气体保护堆焊的角变动态过程。为了反映夹具和焊接件的接触状态，将夹具和焊件统一建立有限元模型。

In order to reduce the error in the calculation, this article raises a measure method to the radius of nonplastic circular arc which basis on the principle of geometry.

为了降低测量误差,提出了对非整圆弧直径测量的方法。

The arc pressure distribution is in concordance with the hyperbolical curve and the current density distribution is in concordance with the Guass distribution under the presented experiment condition.

实验结果表明，在本试验条件下，电弧压力分布符合双面指数曲分布，电流密度分布符合高斯分布规律。

Developed excogitates of two decumbence and one hovizoutal molding die, realized increasing height of branch pipe of heat pressure tee and reducing radius of synodical arc of tee.

研制出两套立式模具和一套卧式模具,实现了用工艺方法增加热挤压三通支管高度,缩小三通相贯区内拐角处圆弧半径的目的。

Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.

采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源,提高了钎缝质量和产品的可靠性.

A semicomplete multipartite digraph is obtained by replacing each edge of a complete multipartite graph by an arc or by a pair of two mutually opposite arcs.

摘要 用一条弧或一对方向相反的弧代替完全多部无向图的每一条边所得到的有向图被称为是半完全多部有向图。

Because arc length of trajectory is regarded as the variant in geodesics based method, it possesses the advantages of non-time based trajectory planning at the same time.

本文的基于测地的轨迹规划是以轨迹弧长作为参考变量的，因此它还具有非时间参考的机器人轨迹规划的优点。

The illinium electrode produces a slim arc when used in welding.With a high level of compression, it has a bigger melting depth in medium and high currents.

钇钨电极在焊接时弧束细长，压缩程度大，在中、大电流时其熔深比较大。

In order to recover the tungstenic dust, sodium carbonate was added to it and smelting test was carried out in a 0. 1MVA electric arc furnace.

要为回收钨尘，利用钨尘灰与碳酸钠在0．1MVA电炉内进行了回收试验，制粗钨酸钠。

The application of magnesia-carbon brick brasque in 5t arc furnace can effctively reduce stop time in hot furnace, protect furnace from troubles of furnace bottom inversion.

镁碳砖炉衬在5t电弧炉上应用表明：该材料能有效地减少热停工时间，杜绝由于因镁砂、卤水打结、烧结不好的炉衬造严重翻炉底等问题。