The reproductive level includes king and queen of Termites which have two pairs of wings, short hair and circular or elliptical head. 生殖阶层包括白蚁王及白蚁后均有两对长翅,短尾毛及圆形或椭圆形的头部。
Discussion on Shape Factor K and Factor K_1 of the Standard Elliptical Head 对标准椭圆形封头形状系数K和系数K1的讨论
A method for tracking elliptical contour of arbitrary-pose head based on particle filter 一种基于粒子滤波的任意姿态头部椭圆轮廓跟踪方法
It is often a chain stitch machine and the size of the buttonhole can be altered to suit with requirements. Calculation of Gravity Centre and Section Trace Line Shape of Elliptical Head 它是一台链式线迹缝纫机,纽洞的大小可以根据需要调节。椭圆封头的重心及剖切迹线形状的计算
The manufacture time and cost can be sharply reduced by adopting two times punch shaping process with the aid of the mould of standard elliptical head. 利用标准椭圆封头胎具,采用二次冲压成形工艺,缩短了制造周期,大大降低了制造成本。
Manufacture Technology of Outsize Stainless Steel Elliptical Head 特大型不锈钢椭圆形封头的制造工艺
Non-equality Analysis of Dish Head Replacing Standard Elliptical Head 碟形封头替代标准椭圆封头的不等效性分析
Enlarged Drawing of Elliptical Head by Common Tangent Circle Drawing 椭圆形冲头放大图的公切圆作图法
An Investigation Concerning the Determination of Spinning Control Parameters for an Elliptical Boiler Head 椭圆封头旋压控制参数确定的研究
Differences Between Standard Elliptical Head and Spinning Head 标准椭圆形封头与旋压椭圆形封头的区别
On the base of membrane theory, the essence of spinning head and its stresses distribution are analysed. The reason of non equality and the replacement relation between standard elliptical head and spinning elliptical head are also introduced. 运用薄膜理论分析了旋压椭圆形封头的本质及其应力分布,指出了它与标准椭圆形封头不等效的原因及替代关系。
Measurement of Shape Tolerance for Elliptical Head 椭圆封头形状偏差的测量
Discussion of Large Double-faced Clad Plate Elliptical Head Pressing Procedure 大型双面复合板椭圆封头冲压工艺
Rapid Calculation of Liquid Level for Horizontal Tank with Elliptical Head 椭圆形封头卧式贮槽液位高度快速计算
Establish relations for liquid level height and volume of elliptical dished head horizontal vessel for storage 椭圆形封头卧式贮罐液位与容积对应关系的建立
Cracking analysis on hot formed stainless steel elliptical head 不锈钢椭圆封头热压制裂纹分析
In this paper the calculation formula of gravity centre of elliptical head is deduced Also the curve shape and calculation method of that part of hold arm contacted with elliptical head is discussed. 本文导出了椭圆封头重心的计算公式,还讨论了封头上的支臂与封头接触部分的曲线形状及其计算方法。