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protective forest
释义
protective forest
Encyclopedia
工学
〔树木造景〕
释
protective forest
防护林
可以保持水土、防风固沙、涵养水源、调节气候、减少污染,起到改善生态环境和人类生产、生活条件作用的有林地、疏林地和灌木林地。
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graph chain
graph circuit
graph circumference
graph coarseness
graph coloring
graph complement
graph composition
graph contraction
graph co-rank
graph crossing number
graph cube
graph cut
graph cuts
graph cycle
graph database
graph data privacy
graph decomposition
graph depth
graph diameter
graph difference
graph directrix
graph distance
graph distance matrix
graph eccentricity
graphechon
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