facula是什么意思？

facula

英['fækjʊlə] 美['fækjʊlə]

• n. （太阳光球上的）光斑；

复数：faculae;

例句

• 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.
• This paper discusses the design of deformable mirror in order to obtain special facula. 本文就此叙述了变形镜面形的设计,以得到指定形状的光斑.
• The tracking precision is got by measuring the far - field facula posit. 通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度.

英英词典释义

• Noun
  1. a bright spot on a planet
  2. a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots

行业词典

• 天文学： 光斑；太阳光球中温度较高，因而持续明亮的局部区域。；