“tundra and alpine grassland”的概念、定义、翻译、参考文献-科学参考

单词	tundra and alpine grassland
释义	tundra and alpine grassland Encyclopedia 农学草场释 tundra and alpine grassland冻原高山草地任继周、胡自治综合顺序分类法（comprehensive sequential classification system; CSCS）划分的十个类组之一，其生物气候特征包含热量级为寒冷级的全部区域。
随便看	principal distribution parameter principal divisor principal dual ideal principal element principal element elimination principal elliptic term principal enumeration principal equation principal escaped point principal factor principal fiber bundle principal fiber space principal fibration principal filter principal focus principal for facet sequence principal form principal formula principal fractional ideal principal fractionary ideal principal function principal function classes principal functor principal fundamental solution principal G bundle

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