The paper has discussed the relation between the sunspots activity and the seismic activity in the west of Liaoning.
本文分析讨论了太阳黑子活动与辽西地震活动的关系。
The number of sunspots is usually taken as an indicator of solar activity.
太阳黑子的数量通常用作太阳活动的指标。
They are comparable to the size of the Earth and usually, sunspots appear in groups.
它们的大小足以和地球匹敌，很多时黑子是整群出现的。
Approximately every 11 years the number of visible sunspots reaches a maximum.
大约每11年，可看到的太阳黑子数目达到一个峰值。
Meanwhile, Hathaway plans to keep an eye out for more backward sunspots.
同时，哈撒韦计划保持较为落后的太阳黑子的眼睛了。
The relations between the toroidal magnetic field in the solar convection zone and the bipolar magnetic field of sunspots
太阳对流层内的纬向磁场与黑子双极磁场的关系
Large sunspots can comfortably be seen through field glasses.
大的太阳黑子用双筒望远镜就能看得很清楚。
Sunspots increase and decrease in intensity in an11year cycle.
太阳黑子以十一年为一个周期增强和减弱
This is the reason for the lack of sunspots during this solar cycle.
这就是为什么在这个太阳周期里会缺乏太阳黑子的活动。
Diagnostics of the Twisting of the Magnetic Lines of Force in Sunspots with the Depth
太阳黑子磁力线随深度扭绞的诊断
Sunspots have limited life span, they form and dissolve within a few days to about three weeks.
黑子生命短暂，只有少于数天至约三星期的寿命。
heliographic distribution of sunspots
黑子的日面分布
THE WILSON EFFECT OF SUNSPOTS
太阳黑子的威尔逊效应
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