The above effect is mainly due to the increased foreshortening on the center side of the spot.

产生威耳孙效应的主要原因是黑子向日面中心一边的加强了的缩减。

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The above effect is mainly due to the increased foreshortening on the center side of the spot.

产生威耳孙效应的主要原因是黑子向日面中心一边的加强了的缩减。

youdao