penedCOCA¹¹⁹⁸⁰⁶ 基本例句 🌏笔直的 It is showed that the different longitudinal zone has the different active periods, and the periods of sunspot groups are different from the Pened of X-ray flares in the same lOngitudinal zone. 结果表明，各经度带的活动规律不同，同一经度带内，太阳黑子群和 X射线耀斑的出现规律也不尽相同。 cnki