Configuration and Machining of a Kind of Variable Pitch Serew;
一类变参数螺杆的几何构造及其加工
The geometrical factors affecting the oscillation properties and the total pressure loss of the gas are summarized,and the causes are also.
计算了不同几何结构尺寸下音波振荡器内的流动,总结了几何因素对射流振荡和总压损失的影响规律,并分析了其内在原因,发现:射流振荡周期只随控制管长成正比例规律变化,不受其他几何因素的影响;分流劈距在一定区间范围内,射流才能稳定振荡,且振荡区间的上限和下限均随位差的变化而变;音波振荡器的喷嘴喉部长度、分流劈距、位差及分流劈形状对总压损失有显著影响,控制口宽度、分流劈张角、分流劈尖半径对总压损失也有一定程度的影响。
geometric stability of framed structure
体系的几何构造分析
Construction of Cartesian Authentication Codes from Pseudo Symplectic Geometry
利用有限伪辛几何构造笛卡尔认证码
Using Orthogonal Geometry to Construct Authentication Codes with Arbitration;
利用有限域上正交几何构造带仲裁的认证码
Three-Dimensional Modeling for Plant Root Systems Growing Based on Geometrical Modeling
基于几何构造模型的植物根系生长三维建模
A Geometric Constructive Approach for Traditional Mosaic Rendering
用几何构造方法实现传统镶嵌画风格渲染
Geometry of Arcs and Their Evolution Profile of Twin Screw Compressors;
双螺杆压缩机转子圆弧及圆弧包络线型线的几何构造
To date, significant progress in technical development has been made to resolve complicated geometry of fiber tracts.
至今，此技术的发展已获得重要的进展，得以解析出神经纤维束之复杂几何构造。
Constructions of Cartesian Authentication Codes from Unitary Geometry;
酉几何中的Cartesian认证码的构造
Research on LDPC Codes Based on Euclidean Geometry;
基于欧氏几何的LDPC码构造研究
Structuring Revolving Cube to Build an Environmental Study;
用《几何画板》软件构造旋转立方体尝试
Study on the General Construction Principle of Geometrical Elements on CMMs
坐标测量机几何要素通用构造原理研究
Construction of Authentication Codes with Arbitration from the Geometry of Singular Classical Groups;
利用奇异典型群的几何学构造带仲裁的认证码
The Analytic Geometry Model s Structure and Extend of An Inequation;
一个不等式的解析几何模型的构造及推广
Correlation Between Geometric Factors of Composite Components and Manufacturing Defects
复合材料结构几何要素与制造缺陷的关联分析
Thinking Drill in Analytic Geometry Teaching--from the solution to structure
解析几何教学中的思维训练——从构造性解法谈起
TECTONIC EVOLUTION IMPLICATION OF GEOMETRY SHAPE CHARACTERISTICS FOR MANILA TRENCH
马尼拉海沟几何形态特征的构造演化意义
Believed to be the first use of cast steel for railway bridge structures in Germany-and perhaps the world-the viaduct's cast steel connections underwent substantial testing to determine their static and dynamic behavior.
因为铸铁可以铸造成几乎任何的几何形状这使得独立构件间的建筑上的过渡变得缓和、优美。
Because cast steel can be made to suit almost any geometry, it makes for a gradual and elegant architectural transition between individual structural members.
因为铸铁可以铸造成几乎任何的几何形状这使得独立构件间的建筑上的过渡变得缓和、美。
