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soil and water conservation
释义
soil and water conservation
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工学
水土保持
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soil and water conservation
水土保持
防治水土流失,保护、改良与合理利用水土资源,维护和提高土地生产力,以利于充分发挥水土资源的生态效益、经济效益和社会效益,建立良好生态环境、保障经济社会可持续发展的综合性科学技术。
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Glasses of the Han Dynasty
glasses of the Pre-Qin Period
glasses of the Tang and Song Dynasties
glasses of the Wei,Jin,and Southern and Northern Dynasties
glasses of the Yuan,Ming and Qing Dynasties
glass fiber
glass fiber reinforced plastics equipment
glass fiber reinforcements
glass fibre reinforced plastic
glass filter
glass forming
glass furniture
glass harmonica
glassine
glassiness
glass insulating material
glassite
glassivation
glass jar
glass-lined crater
glass-lined equipment
glass-lined microcrater
glass liquid thermometer
glass-liquid thermometer
glass lubricating extrusion
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