Based on the theory of average arc,the geometry characteristics of geodesic spherical reticulated shells is studied,and a method of modeling geodesic spherical reticulated shells is put forward by combining orthogonal coordinate with spherical coordinate.
根据等弧均分法,分析了短程线型球面网壳的几何特性,将直角坐标与球面坐标相结合,利用ANSYS的二次开发技术建立了一种短程线型球面网壳结构的建模方法,编制了相应的宏程序,实现了其参数化建模。
In particular,for v=m=1,the usual exterior transformations,between the spherical coordinate and Cartesian coordinate,as well as the cylindrical coo.
首先介绍了分数微积分和分数微分形式· 讨论了在原点处对曲线坐标的分数外微分变换,并且获得了从三维卡氏坐标到球面坐标和柱面坐标的两个分数微分变换· 特别地,当v=m=1时,这两个分数微分变换约化的结果与通过外微积分获得的结果是一致的·
spherical indicatrix of binormal to a curve
曲线副法线球面指标
spherical indicatrix of tangent to a curve
曲线切线的球面指标
Includes wallpaper, sounds, mouse pointers, icons, and other features for the Baseball theme.
“棒球”桌面主题包括墙纸、声音、鼠标指针、图标和其他功能。
Fig.43 The knuckles on the hitting hand should be facing the target at contact. Let the knuckles continue on target as if hitting four balls.
图43打击手上的指节在接触点应该正面对目标。好像打击四个球,让指节继续对准在目标上。
spherical-polar tracking system
球面极坐标跟踪系统
An area on a diamond marked by lines designating where the batter may stand
击球区用线标示出来指示击球手站立的球场区
On Antislide Index and Standard of SMA Pavement
对SMA路面抗滑指标与标准的探讨
Laplacian in the Columnar and Spherical Coordinates;
柱面坐标系和球面坐标系中的拉普拉斯算符
an area on a diamond marked by lines designating where the batter may stand.
用线标示出来指示击球手站立的球场区。
Operational Guidelines for School Official Cites Use: Drag the mouse click ball control, shooting.
操作指南:鼠标左键拖动球控制力度、击。
Use your mouse to guide your ball through the maze.
用您的鼠标来指导你的球通过迷宫。
A Research on the Characteristics of the Basketball Backfielder s Leadership Behavior;
篮球后卫队员领导行为指标体系研究
Study on monitoring biochemical index of basketball players before and after basketball match;
篮球运动员比赛前后生化指标的监控
Science and Technology Globalization s Index System and Policy Signification;
科技全球化的指标体系及其政策含义
Monitoring the Biochemical Norms of Load during the Basketball Players Training;
足球运动员训练负荷的生化指标监测
Some Problems of Physical Characteristics Analyzed for Volleyball Players;
对排球运动员体能指标若干问题探析
Model System on Main Training Targets of Men s hammer throwing;
男子链球主要训练指标体系模型研究
Observation of Biochemistry indexes in First-class (Group A) Football Teams of China during Spring Training in 1997;
97全国甲A足球队春训生化指标的观察
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