这包括对太阳黑子本影和半影持续的观测。
This includes the continuous survey of umbra and penumbra of the sunspot.
即使在磁场最强的黑子本影区，磁场强度通常也只有2000高斯左右。
Even in the umbra of sunspots, the strongest region in the solar atmosphere, the magnetic field strength is only about 2000 Gauss.
即使在磁场最强的黑子本影区，磁场强度通常也只有2000高斯左右。
Even in the umbra of sunspots, the strongest region in the solar atmosphere, the magnetic field strength is only about 2000 Gauss.
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