难检字字典在线查询

汉语拼音：qiú guān

球面被一个平面所截得的部分。截得的圆称为球冠的底，垂直于截面的直径被截得的线段长称为球冠的高。球冠也可以看作一段圆弧绕经过它的一个端点的直径旋转所成的曲面。设球冠的高为h,球半径为r,则球冠的面积为s=2πrh。

• And now, we're going to try to find the volume of that spherical cap again but using spherical coordinates instead.

  现在来求下被切出的球冠的体积，我们用球坐标来求。

• The two-set algorithm of spherical cap harmonic analysis has been proved to be a better approach to gravity field modeling.

  这表明双基函数的球冠谐分析是一种有效的曲面位场建模方法。

• The tendrils that encased the solid-looking sphere and rigid near-translucent trunk seemed to pulse with life.

  藤须围笼着外形固实的球冠和坚硬的近乎透明的树干，仿佛具有生命般的脉动。

• Trees with spherical crowns, eg, most hardwoods, have many lateral branches that may compete for dominance.

  球冠树，例如，大多数硬木，有许多侧枝，可能竞争优势。

• The processes of a ball coronal and turbine vane are simulated.

  并对球冠与涡轮叶片模型进行了仿真实例。

• The spherical gear is a new type of gear formed by attributing ring teeth on its spherical surface.

  球齿轮是在其球冠面上分布着环形齿的新型齿轮。

• Calculation of the Equivalent Radiation Plane for the Spherical Entrance Optics

  球冠型入射光学系统中等效辐射平面位置的计算

• Examination Method for Pressure Elastic Modeling Quantity of Crown-type Elastomeric Pad Bearing of Highway Bridge

  公路桥梁球冠橡胶支座抗压弹性模量检测方法探索

• The Spherical Cap Harmonic Analysis Method for Crust Vertical Deformation Field Fitting

  地壳垂直形变场逼近的球冠谐分析法