Sunspots

n.

太阳黑子( sunspot的名词复数 )；雀斑；

Distribution of Clostridium botulinum.
Do Sunspots Matter?
Do Sunspots Matter?
Do Sunspots Matter?
Indeterminacy and sunspots in macroeconomics
Sunspots: An overview
The Formation of Sunspots from the Solar Toroidal Field.
Learning to Believe in Sunspots
Introduction to the Symposium on Growth, Fluctuations, and Sunspots: Confronting the Data
Sunspots, the QBO, and the stratospheric temperature in the north polar region