This paper studies the new model of customer relationship management systematically.
本文对客户关系管理的新模式进行了系统的研究。
This paper studies the K - fault location theory comprehensively and systematically.
本文全面系统地研究了K故障定位理论。
This paper studies the K - fault location theory comprehensively and systematically.
本文全面系统地研究了K故障定位理论。
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