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棕壤
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棕壤
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棕壤
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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。
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singular limit system
singular linear models
singular linear operator
singular linear system
singular linear transformation
singular line element
singular locus
singularly perturbed equation
singularly perturbed system
singularly perturbed systems
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singular one parameter subgroup
singular one-parameter subgroup
singular operator
singular optimal control
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singular ordinal
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