First major wave of expansion. Product and service offering are extended, internationalization group is promoted.
第一波扩展浪潮。扩大了生产及服务部门，形成了国际化集团。
Electromagnetic fields and wave is an important basic technical course for Electronic information major.
电磁场与电磁波课程是电子信息类相关专业一门重要的专业基础课。
The sky wave is the major transmitting way of short-wave communication.
因此短波通信的主要传播路径是天波。
The sky wave is the major transmitting way of short-wave communication.
因此短波通信的主要传播路径是天波。
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