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水土保持
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水土保持
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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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logarithmic scale
logarithmic scheme
logarithmic series
logarithmic sine
logarithmic sine paper
logarithmic singularity
logarithmic singular point
logarithmic Sobolev inequality
logarithmic Sobolev inequality with parameters
logarithmic space
logarithmic space class L
logarithmic space complexity class
logarithmic space complexity class, L
logarithmic space computation
logarithmic space many-one reducible to
logarithmic spiral
logarithmic spiral catacaustic
logarithmic spiral evolute
logarithmic spiral inverse curve
logarithmic spiral involute
logarithmic spiral pedal curve
logarithmic spiral radial curve
logarithmic structure
logarithmic summation method
logarithmic system
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