For a sunspot to form on the solar surface, the magnetic field needs to attain a certain strength to push the surface plasma aside, exposing the solar interior as a cool spot — a sunspot.
在太阳表面，磁场强度必须强到能推开表面的等离子体，将温度较低太阳内部的暴露在外，形成一个太阳黑子。
Italy has been a relative bright spot in Europe for solar projects as other countries, most notably Germany, reduce their subsidies for solar projects.
在太阳能项目方面，意大利一直是欧洲地区的相对亮点，因为其他国家，比如德国减少了对太阳能项目的补贴。
An actinic keratosis, also known as solar keratosis, enlarges slowly and usually causes no signs or symptoms other than a patch or small spot on your skin.
光化性角化病，也称日光性角化病，病损生长缓慢，而且除了皮肤上的斑块或小斑点，常常无任何症状或体征。
This tiny spot of backwardness matters because of what it might foretell: a really big solar cycle.
这种落后的小点问题，因为它可能预示着：一个真正的大太阳活动周期。
This tiny spot of backwardness matters because of what it might foretell: a really big solar cycle.
这种落后的小点问题，因为它可能预示着：一个真正的大太阳活动周期。
应用推荐