The scientists concluded that the solar wind activity must follow the same cycle.
科学家们得出结论，太阳风的活动必须遵循相同的周期。
This paper discussed the relations of sand deposits with wind activity strength around the high windbreaks.
对高立式沙障处的风沙沉积情况与风沙活动强度之间的对应关系进行探讨。
This paper discussed the relations of sand deposits with wind activity strength around the high windbreaks.
对高立式沙障处的风沙沉积情况与风沙活动强度之间的对应关系进行探讨。
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