圆柱的

Firstly, according to the analysis of the forming principle of the involutes profile and the tooth thickness of formula, a mathematical model of involutes profile was established.

首先，根据对渐开线齿廓形成原理和渐开线齿轮任意圆上的齿厚公式的分析，建立了插齿刀的渐开线圆柱齿轮齿廓的数学模型。

A column of schoolmaster snappers hovers near a support beam for the Aquarius research station near Florida's Conch Reef.

一个圆柱可耻的动物徘徊在附近的支撑梁为水瓶座研究站附近的佛罗里达州的贝壳礁。

To make the transition curve in the process of gear modeling be more reasonable, the parameterized 3D model of involute cylindrical spur gears with whole profile was made with Pro/Engineer software, based on the study of equations of the dual-arc rack cutter＇ s profile curves and the cut gear＇ s tooth profile curves.

为了使齿轮建模时过渡曲线部分更符合工程实际，在对双圆弧齿条型刀具轮廓曲线方程和齿轮的廊线方程研究的基础上，利用Pro/Engineer软件建立了可变位的渐开线完整齿廊直齿圆柱齿轮的三维参数化模型，并对齿廊曲线连续性进行了分析。

A new gear grinding way without axial feeding based on the principle of the worm gearing,and how to make up the machine,motions needed in the machine and relationship of the motions are dissertated.

论述了基于这种原理的蜗杆砂轮磨削圆柱齿轮实现无轴向进给磨削的方法及其机床构成和所需要的运动及其相对关系，分析了完成磨削所需要的各种运动及其实现方法。

Culms 5–7 m, 1–2.5 cm in diam.; internodes terete, 35–45 cm, initially white powdery, brown setose immediately below node, white-gray setose above; wall 2–4 mm thick; supra-nodal ridges level or weakly prominent; sheath scar prominent, initially yellow-brown setose.

根状茎颈6-12 厘米秆5-7米，1-2.5厘米直径；节间圆柱状，35-45厘米，最初白色敷粉，棕色刚毛立即在下面节点，在上面白色灰色具刚毛；壁2-4毫米厚；超级节的脊水平或身体虚弱突出；突出的鞘痕，具刚毛的黄褐色的最初。

The structural core of the project is a raised flooring system with a series of columns and a ring beam on the top for stability.

项目的结构核心部分是一个抬高的顶棚系统，附带依次排列的圆柱以及置于其上用来增强稳定性的一根圆形横梁。

Lava from Mt Kilaeau flowed down the slopes via lava tubes into the ocean and the resulting violent explosions generated such large steam columns as to pull up waterspouts from the sea.

熔岩从Kilaeau山向下流动倾斜借助于熔岩管到海洋和爆发的暴力的结果生成如此大的蒸汽圆柱当作引体向上强大的水柱来自于海洋。

In the cylindrical coordinates, the related basic formula and solve method of the equivalent boundary element method were established and derived, and a new contact element was introduced to model the hybrid of structure and soil.

同时建立并推导了在柱体坐标系下插入式大圆柱壳墩式结构的等效边界元数值分析的相关基本方程和求解方法，并提出了一种新的接触面单元以模拟结构和土体间不同材料的耦合关系。

Fr Meistermann noted down the columns of a portal (at the sides of C in his small plan) and concluded that in a second moment, probably during the truce of Frederick II, the side walls of the church had been extended toward the west.

Fr Meistermann在他计划中C的那面标记了入口的圆柱接下来并推断，有可能是在Frederick II的停战期间，教堂的侧墙被延伸向西。

Fr Meistermann noted down the columns of a portal (at the sides of "C" in his small plan) and concluded that in a second moment, probablyduring the truce of Frederick II, the side walls of the church had been extended toward the west.

Fr Meistermann在他计划中C的那面标记了入口的圆柱接下来并推断，有可能是在Frederick II的停战期间，教堂的侧墙被延伸向西。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了