All these conclusions and methods are valuable in instructing the design and manufacture of envelope surface of cylinder family.
这些结论和方法对指导圆柱族包络面的设计与制造具有重要价值。
The secondary envelope may be deposited on the primary envelope surface and it is formed by the substances secreted from the granules cells.
初级卵膜源于卵母细胞，次级卵膜由晚期滤泡细胞分泌形成。
The rough milling region of the open blisk tunnel is determined by generating the ruled envelope surface of the blades offset surface, and the algorithm.
通过叶盘叶片偏置面的直纹包络面逼近，确定叶盘通道粗加工区域，给出了四坐标插铣刀位轨迹生成算法。
Based on the models and the free-form surface formula, the moving envelope surface of ball-end mill is obtained by means of matrix calculating, the topography is modeled and simulated.
基于自由曲面方程，由矩阵运算得出刃线运动包络面，对球头铣刀加工的表面形貌进行了建模和仿真。
The results show that the channel region division and the ruled envelope surface generating can be solved by this approach, and the slot plunge milling of closed blisk can be achieved effectively.
研究结果表明：该方法能解决闭式整体叶盘通道插铣区域划分和直纹包络面生成问题，可有效实现闭式整体叶盘的五坐标开槽粗加工。
A practical method for formation of envelope surface is introduced in the paper. And a programmed calculation method for manufacturing integral impeller with a four-coordinate NC miller is presented.
介绍一种形成包络面（等距面）的实用方法，提出一种用四坐标数控铣床加工整体叶轮的程序计算方法。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
借助一个渐开线斜齿圆柱齿轮的刀具齿面推导出蜗杆砂轮齿面，由蜗杆砂轮齿面经双参数包络生成斜齿面齿轮齿面。
Analyses the determination of surface heat transfer coefficient, interior building envelope load, air infiltration load, equipment load and heat storage load, etc.
分析了民用建筑舒适性空调负荷计算中表面传热系数、内围护结构负荷、渗透风负荷、设备负荷、蓄热负荷的确定等问题。
For cantilevered anti-slide pile, displacement of pile increase continuously with time, the topper displacement is max. The failure envelope is nearby design failure surface when load achieve extreme.
对悬臂式抗滑桩，桩身位移随时间的延长不断增大，桩顶位移最大，加载至桩破坏时，其破坏面在拟滑面附近；
For cantilevered anti-slide pile, displacement of pile increase continuously with time, the topper displacement is max. The failure envelope is nearby design failure surface when load achieve extreme.
对悬臂式抗滑桩，桩身位移随时间的延长不断增大，桩顶位移最大，加载至桩破坏时，其破坏面在拟滑面附近；
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