“城市土壤”的概念、定义、翻译、参考文献-科学参考

单词	城市土壤
释义	城市土壤 Encyclopedia 理学城市生态环境释 urban soil城市土壤出现在城区或郊区，由于土地的混合、填埋或污染而形成的，非农业的、人为的表层厚度大于50厘米的土壤。城市土壤的物质组成、人类活动规模和强度均与周边农业或森林地区土壤显著不同。
随便看	polynomial factor theorem polynomial form polynomial function polynomial functional polynomial game polynomial geometric programming polynomial growth polynomial height polynomial hierarchy polynomial homomorphism polynomial ideal polynomial identity polynomial identity relation polynomial identity testing polynomial inflation polynomial in one indeterminate polynomial in one variable polynomial in one variable; univariate polynomial polynomial in several indeterminates polynomial in several variables polynomial interpolation polynomial invariant polynomial kernel polynomial kernel function polynomial least deviating from zero

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