But, present researches cast little light on interior relation of primary, secondary and tertiary industries and relation of industrial structure and space structure, employment structure.
但目前的研究在一二三产业内部结构和产业结构与空间结构、就业结构的相互关系方面仍较为薄弱。
But, present researches cast little light on interior relation of primary, secondary and tertiary industries and relation of industrial structure and space structure, employment structure.
但目前的研究在一二三产业内部结构和产业结构与空间结构、就业结构的相互关系方面仍较为薄弱。
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