通过观测日冕物质的喷发，SOHO上的一台望远镜能提前三到四天预报太阳的重大活动。
One telescope aboard SOHO can provide three or four days' warning of major solar events by spotting coronal mass ejections.
通过观测日冕物质的喷发，SOHO上的一台望远镜能提前三到四天预报太阳的重大活动。
One telescope aboard SOHO can provide three or four days ' warning of major solar events by spotting coronal mass ejections .
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