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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
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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。
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weasel hair Chinese brush
weather
weatherability
weather and food price report
weather attenuation
weather/climate comfort degree
weather derivatives
weather dynamical diagnosis
weathered crust
weathered zone of coal
Weather Forecast
weather forecast for fishery
weather forecasting
weather index
weathering
weathering degree
weathering fissure water
weathering fluxes
weathering intensity
weathering rates
weathering resistance of polymer materials
weather modification
weather modification model
weather over the ocean
weather proverb
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