球冠（spherical crown）是指一个球面被平面所截后剩下的曲面。截得的圆面是底，垂直于圆面的直径被截得的部分是高。也可看作圆弧绕过它的一个端点的圆的直径旋转一周得到的面。
英格兰足球冠军联赛 Football League Championship ; Coca-Cola Football League Championship
网球冠军 Tennis Champions ; Tennis Champs
欧洲篮球冠军杯 European Champions' Cup
球冠圆板式橡胶支座 TCYB
世界台球冠军赛 World Championship Pool
颠球冠军 Kickerinho ; Kickerinho World
冰球冠军 Hockey Winner
撞球冠军赛 Championship Pool
斯诺克台球冠军赛 World Championship Snooker
小升阻比返回舱的形状以球冠倒锥形为最优。
The spherical segment cone module of small lift to drag ratio vehicles is the optimum shape than others.
现在来求下被切出的球冠的体积，我们用球坐标来求。
And now, we're going to try to find the volume of that spherical cap again but using spherical coordinates instead.
球齿轮是在其球冠面上分布着一道道环形齿的一种新型齿轮。
The spherical gear is a new type of gear formed by attributing ring teeth on a spherical face.
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