本文应用立体角的概念，一般地证明了安培环路定理。
Applying the concept of the solid Angle, this paper generally demonstrates the Ampere circuit rule.
同时，用物理学方法解决了圆盘面对空间任意点所张的立体角的计算问题。
We solved at the same time a pure mathematical problem by physical procedure i. e. calculating the solid angle subtended by a circular plate to any point in the space.
分析表明，扩展光源存在的立体角导致系统的相干长度变短，光谱分辨率降低。
It was found that the coherent length became shorter and the spectrum resolving power became lower as a result of solid Angle produced by the extended light source.
在弱共价键化合物中，占据座位SAS(立体角系数扣)值最太的异构体有利于配体堆积。
In weak covalent compounds, the isomer with the maximum SAS (Solid Angle Factor Sum) of the ligand-occupied seats is more favourable for ligand packing.
对包含奇异点在内的几个特殊点给出了柱底面对这些点所张立体角的值，并给出了电测井积分方程系数矩阵的计算方法。
A computing method of coefficient matrix is given. For a few special points including singular points, the numerical values of solid Angle of a cylindrical bottom surface open to these special points.
另外，利用几何光学方法得到了激光光束在X方向、Y方向以及空间立体角上的漂移大小。分析了引起光束漂移的原因。
The amount of the drift in X direction, Y direction and in spatial angle can be obtained through geometrical optics.
另外，利用几何光学方法得到了激光光束在X方向、Y方向以及空间立体角上的漂移大小。分析了引起光束漂移的原因。
The amount of the drift in X direction, Y direction and in spatial angle can be obtained through geometrical optics.
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