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单词
urban forestry
释义
urban forestry
Encyclopedia
管理学
〔林业经济〕
释
urban forestry
城市林业
以城市森林培育、经营和管理为核心和重点,融合城市范围内的其他绿地系统,所构成的综合的林业生态系统。
农学
社会林业
释
urban forestry
城市林业
为改善城市生态环境、服务城市发展和增进居民生活品质等,在城市区域或者相邻地区加强保护和培育森林和树木、保护湿地和生物多样性,建设和完善以森林为主体的人与自然和谐的城市生态系统的公共事业。
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sum of all coefficients equal to 1
sum of a progression
sum of a series
sum of cardinal numbers
sum of deviations squares
sum of divisors
sum of energy production
sum of events
sum of ideals
sum of irrational radicals
sum of linear convolution
sum of matrices
sum of numbers
sum of operators
sum of order types
sum of ordinal numbers
sum of powers
sum of powers conjecture
sum of prime factors
sum of products
sum of random many of random variables
sum of sequences
sum of series
sum of sets
sum of square deviations
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