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THe paper introduces the technique and equipment of exhausting machine for neon lamp , and mainly presents the working principle of neon lamp and design of key parts.

本文介绍了霓虹灯圆排机工艺技术及设备的研制，重点叙述了圆排机工作原理和关键部件的研制。

THe paper introduces the technique and equipment of exhausting machine for neon lamp, and mainly presents the working principle of neon lamp an d design.of key parts.

摘 要：本文介绍了霓虹灯圆排机工艺技术及设备的研制，重点叙述了圆排机工作原理和关键部件的研制。

According to the helix theories of cylinder,the essential factors of helix with torus are analyzed,and the parametric equation of helix on torus is given based on analytic geometry.

根据圆柱螺旋线理论，分析了形成圆环螺旋线的要素，并运用解析几何方法建立了圆环螺旋线的参数方程。

To allow a dome to rest above a square base, either of two devices was used: the squinch (an arch in each of the corners of a square base that transforms it into an octagon) or the pendentive.

最独特的特点是圆屋顶，要让圆屋顶安置于方形基础上，可利用两种方式：内角拱(方形基础每个角落的拱门变为八角形)或穹隅。

Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus.

当时的晶片设计者认为在矽晶圆上加上两三层金属有点冒险，会使晶圆表面凹凸不平，增加光刻过程中聚焦的困难。

Aim at disadvantages of traditional measuring methods,such as lower precision and complicated operations,a precise measuring method for pitch circle helix angle of involute spur gear by CMM was put forward.

针对渐开线圆柱斜齿轮分度圆螺旋角的传统测量方法精度低、操作复杂等缺陷，提出用三坐标测量机精确测量圆柱斜齿轮分度圆螺旋角的方法，介绍了其测量原理及步骤，并进行了测量精度分析。

The early model has a circular error probable of 300~600m, but various improvements on the guidance system has increased the accuracy of the missile to CEP

早期型拥有300~600米的圆概率误差，但是多方面改进制导系统把导弹的精度提高到圆概率误差150~500米。

If the lengths of the sides of a cyclic quadrilateral are 9, 10, 10 and 21 respectively, find the area of the

一圆内接四边形的四边长为9，10，10和21，求该圆内接四边形的面积。

When she came back, she showed me her ring on her ring finger. She was engaged!

当她回来了，她显示了我她的圆环在她的圆环手指。

By adding 60 horses to the Roundhead cause, the Battle of Marston Moor (1644) became a Roundhead victory.

通过给圆颅党议会派分子多送的60匹战马，圆颅党分子获得了1644年Marston Moor战役(1644)的胜利。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。