An active region with a bipolar sunspot is formed when the magnetic flux ring of the sunspot rise to the solar surface from the depth of solar convection zone.
当太阳黑子磁环从太阳对流层深层上浮到太阳表面时，便形成了一个双极黑子群的活动区。
An active region with a bipolar sunspot is formed when the magnetic flux ring of the sunspot rise to the solar surface from the depth of solar convection zone.
当太阳黑子磁环从太阳对流层深层上浮到太阳表面时，便形成了一个双极黑子群的活动区。
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