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中国古代水土保持技术
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中国古代水土保持技术
Encyclopedia
理学
中国古代水土保持技术
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soil and water conservation technology in ancient China
中国古代水土保持技术
中国古代防止水土流失,保护、改良和合理利用水土资源,维护和提高土地生产力,以利于充分发挥水土资源的经济效益、社会效益和生态效益,实现生态环境良性循环的综合性技术措施,包括工程技术和非工程技术。
随便看
the dramatic stage of the Shanshan Guild Hall in Liaocheng
The Dream Factory
The Dream of a Lady
The Dream of Cherry
The Dream of Chinese Children
The Dream of Going Back to the South
The Dream Of Red Mansions
the Dream of Wind and Moon
The Drive to Win
The Drum of Yao People
The Drunken Grandma Bai
the dual filial piety model
The Duchess of Malfi
The Duckweed Literary Society
The Duel
the Duli Yusi Classic
the durability of civil engineering materials
the durability of metallic materials
The Dutch Courtesan
the Dutch disease
the duty for true statement
The Dybbuk
The Dying Slave
The Dying Swan
The Dying Warrior
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