Thereafter, we introduce the main achievements with magnetic elements and sunspot magnetic fields as examples.
接着以磁元和黑子磁场为例，介绍现有的主要研究成果。
Last year, he and colleague Matt Penn pointed out that the average strength of sunspot magnetic fields has been sliding dramatically since 1995.
去年，他和同事MattPenn指出，太阳黑子磁场的平均强度从1995年起，已经急剧下滑。
Last year, he and colleague Matt Penn pointed out that the average strength of sunspot magnetic fields has been sliding dramatically since 1995.
去年，他和同事MattPenn指出，太阳黑子磁场的平均强度从1995年起，已经急剧下滑。
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