“Brown earth”的概念、定义、翻译、参考文献-科学参考

单词	Brown earth
释义	Brown earth Encyclopedia 农学棕壤释 Brown earth棕壤暖温带湿润地区落叶阔叶林和针阔混交林下发育的淋溶型土壤。在中国土壤系统分类中，属于淋溶土纲湿润淋溶土亚纲，简育湿润淋溶土土类；在美国土壤系统分类中，大致相当于淡色始成土壤[注]、湿润淋溶土[注]；在联合国世界土壤图例中，大致相当于饱和始成土单元[注]和高活性淋溶土[注]集合土类。又称棕色森林土。
随便看	security market statistics security measures security mechanism of operating system security middleware security model security monitoring and control security monitoring and control of pipe networks security monitoring center security of archives security of collection storage room security of cryptographic hash function security of cryptographic protocol security of debt security of file content information security of information content security of nuclear weapon security of supply and demand for analysis security parameter index security parameter index, SPI security policy security protection security protection risk assessment security protection risk treatment security protocol security protocol analysis

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