photospheric facula

• 光斑,光球光斑

photospheric facula的用法和样例：

例句

1. So a new method to limit the facula was presented to improve illumination efficiency of light-pipe.
   据此，提出了限制光斑进入方棒以提高整体照明系统效率的方法。
2. In order to calculate the radius of the facula captured by CCD, several algorithms are discussed.
   对光斑圆半径的提取设计了半径提取算法。