Methods The method of partial quantification from statistics and operational research and the qualitative method from sociology were employed.
方法采用统计学、运筹学的部分定量和社会学的定性方法。
Methods The method of partial quantification from statistics and operational research and the qualitative method from sociology were employed.
方法采用统计学、运筹学的部分定量和社会学的定性方法。
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