• vegetable seed industry - 引用次数：5

  With a research approach of principles combined with practices, and analyzing with both qualitative and quantitative methods, on the base of reviewing the status quo, the author systematically studied and summarized the main problems confronting Tianjin ’s vegetable seed industry.

  本文运用理论分析与实践相结合的方法,以定性研究为主,辅以定量分析,对天津蔬菜种业的现状、发展优势,进行了系统分析,总结出了天津蔬菜种业存在的问题。

  参考来源 - 天津蔬菜种业现状及对策研究

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