Scientists believe magnetic structures, like sunspots hold an important key to understanding space weather.
科学家认为磁性结构如太阳黑子对理解空间天气有重要帮助。
It's quicker better and easier to write Chinese by understanding character structures.
掌握结构写汉字，更快更好更轻松。
It's quicker better and easier to write Chinese by understanding character structures.
掌握结构写汉字，更快更好更轻松。
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