Physical geography field practice is an important part in physical geography teaching.
自然地理野外实习是自然地理教学重要的组成部分。
Physical geography field practice is an important link in physical geography teaching.
自然地理野外实习是自然地理教学的重要环节。
Physical geography field practice is an important link in physical geography teaching.
自然地理野外实习是自然地理教学的重要环节。
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