facula

n.

（太阳光球上的）光斑；

复数：faculae

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。

Laser facula measurement with CCD
Cycle 19 facula dynamics. I. Angular rotation
Laser facula measurement technology using detector array
Cycle 19 facula dynamics. II. Meridional circulation, RMS velocity, and Reynolds stresses.
Testing precision analysis of centrobaric of laser facula
Testing precision analysis of centrobaric of laser facula
Experiment research on subpixel location error of the facula centroid
Research on Infrared Special Facula View Measurement Method Based on Image Processing Technology
Far-field Focus Facula Measurement Method Concerning Small-angle of Laser Divergence in Optical Communication
Error analysis of the center of gravity method when used to get the position of a facula