圆柱的

In this paper,the formula of calculation of the axial profile of an involute helical gearis inferred.

本文推导出了渐开线斜齿圆柱齿轮轴向齿廓的计算公式，并在此基础上提出了用车削阿基米德蜗杆的方法车削渐开线蜗杆的新方法。

Plants, your best friend's bottle of beer, and that 50 lb.

相比之下，植物，你好朋友的啤酒，等等，对我们的PC圆柱系列炮都是致命的。

With differential geometry knowledge, the local characters of the blade surface are analyzed. Based on researching the cylindrical cutters osculating location, the methods to calculate the osculating location of the conic cutter and the torus cutter are discussed. A method of tool path planning based on the second order osculating method is preferred.

利用微分几何学知识，分析了螺旋桨桨叶曲面的局部特征，在研究圆柱刀二阶密切法规划刀位的基础上，探讨了圆锥刀和圆环刀的二阶密切刀位计算方法，采用二阶密切法规划刀位可以显著地提高加工精度。

Through studying the intersection of paraboloid of revolution and cylinder , the author concluded that the horizontal projection of the intersecting lines—, is the famous Four-order algebra curve-Perseus curve.

通过对回转抛物面与圆柱面相交的研究，得出交线的水平投影曲线——为四次代数曲线——Perseus座曲线的结论。

Numerical results for perfectly conduction and homogeneous penetrable circular cylinder are presented and compared with the solutions by using second-order differential operator B2 type absorbing boundary condition.

本文使用这种边界条件对理想导电及均匀电磁可穿透材料圆柱散射体的表面场进行了数值计算，并与使用二阶微分算子B_2型的吸收边界条件的结果作了比较。

In this paper, the RCS of plate, cylinder and sphere are calculated based on the PO theory.

阐述了用物理光学法解决高频散射的原理，对高频电磁场中的平板、圆柱及球体进行了计算，验证了F -1 1 7A隐身飞机大量使用平板隐身技术的结论。

Governing equations of a modified k -ε model is derived in a three-dimensional cylindrical polar coordinate system, and an available equation is produced.

首先给出单相螺旋流流场在三维圆柱坐标下的修正κ-ε湍流模型的控制方程，得出控制方程组的通用形式。

Simple finite difference method is proposed for calculating polarizability of conductors and dielectrics in various shapes in radial and cylindrical coordinates.

bstract：使用简单的有限差分法来计算在圆与圆柱座标系中导体和介电质在不同的形状的可极化性。

Pressure hull Cylindrical main hull protecting the U-boat's crew and internal mechanisms, surrounded by streamlined external hull.

耐压船壳，潜艇的圆柱状主艇壳，直接承受来自海水的压力，保护内部的成员和机械。

When cylinder surface and cone surface penetrate each other,if their axises intersect slantly and are parallel to the frontal projecting plane,there will he special points in the penetrating line.

本文对轴线斜交，且两轴线平行于某一投影面的圆柱面与圆锥面相贯时，相贯线上的特殊点进行探讨，从而得出了用辅助球面法不能求出该相贯线上的最右点的结论。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。