仅自然科学区就涵盖了农学、天文学、生物学、化学、物理学、生态学、地理学等学科。
The Science section alone contains content on topics including agriculture, astronomy, biology, chemistry, physics, ecology and geography.
“自然科学”一词包括天文学，化学，物理学，地理学，生物学等等。
The term "natural science" includes astronomy, chemistry, physics, geography, biology and what not.
界定了地理学中事理、物理、人理的概念，论述了事-物-人“三理和谐”与复杂地理问题研究的关系。
Starting from the object and task of geography, the concepts of affair law, matter principle and human art in geography was defined.
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