黄河谷地
黄河谷地-
黄河谷地干旱区绿地草坪喷灌系统的应用
Application on Spray Irrigation System in Greenbelt Lawn Arid Region Yellow River Valley
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黄河兰州谷地新构造运动的初步研究
Neotectonics of the Yellow River Valley in Lanzhou
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青海东部黄河上游谷地种子植物区系
The Seed Plant Flora of Valley in Upper Reaches of Yellow River in East Qinghai , China
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中国科技文化经过多源发展，在黄河中游的黄土谷地形成以农牧技术和彩陶制作技术为标志的仰韶文化核心地带。
Through the development of many soures , the scientific and technical culture of ancient China formed a key zone of the Yangshao culture which took as indexes farming , animal husbandry and painted pottery technology .