The Science section alone contains content on topics including agriculture, astronomy, biology, chemistry, physics, ecology and geography.

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。

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Agriculture is one of the focal point of regional historical geography study.

农业是区域历史地理研究的一个重点。

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Ancient China made unique contributions to many areas of science including astronomy, calendric system, geography, mathematics, agriculture, medicine and the humanities.

古代中国在天文历法、地学、数学、农学、医学和人文科学的许多领域，都作出过独特的贡献。

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Add the country's landlocked geography and Afghan agriculture remains perennially uncompetitive.

ECONOMIST: Afghanistan's great purple hope