求翻译：王劲松博士告诉罗莉，由于太阳活动的周期是通过数黑子数来计算，而太阳黑子的数量在不规则的周期中快速的上升缓缓的下降，虽然已知太阳黑子有11年的周期变化，但也会有长短的时间跨距。是什么意思？

Dr. Wang Jinsong told Lori, due to the solar activity cycle is calculated by the number of sunspot number, sunspot number of fast rising slowly decline in irregular cycles, known sunspot cycle of 11 years , but also the length of time span.

Dr. Wang Jinsong, tell her the solar activity cycle is the number of sunspot number, and the sunspot number is not in the rules in the cycle of rapid rise in the slow decline, although there are 11 known sunspot cycle of change, but also will be a long span of time.

King sturdy pine tree doctor tells Luo Li, because the solar activity cycle is calculates through the number black mole number, but sun-spot quantity in irregular cycle fast rise slowly drop, although the known sun-spot has 11 year periodic changes, but also can have the length time span.

Peter Wang told Sue Lawley, due to solar activity cycle is calculated by the number of sunspots, and irregular cycles in sunspot number quickly rising slowly falling, despite known changes in sunspot cycles of 11 years, but also the length of the time span.

正在翻译，请等待...