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电离层的形成
释义
电离层的形成
Encyclopedia
理学
电离层的形成
释
formation of the ionosphere
电离层的形成
地球高层大气的分子和原子在太阳的紫外线、X射线和高能粒子的作用下电离,产生自由电子和正负离子,形成从宏观上说仍然是中性的等离子体区域。
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school-run enterprises
school-running idea of the university
school running structure of higher education
school-running system
school safety
school safety management
School Sanitary Regulations
school scientific research administration
school security education
school size
Schools of Contemporary African Philosophy
schools of educational theory/thought
Schools of Essay
schools of expression
schools of qigong
schools of second language acquisition theories
schools of traditional Chinese medicine
school song
school songs
school supervisory board
school teaching administration
school teaching practice base
school tort liability
school to work transition
school-to-work transition
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