因为六西格玛在质量上相当于过去的TQM，因此六西格玛的研究十分重要，特别是在大中型企业中。
The study of six sigma especially in medium and large firms is important because six sigma is today's quality equivalent to TQM in the past.
因为六西格玛在质量上相当于过去的TQM，因此六西格玛的研究十分重要，特别是在大中型企业中。
The study of six sigma especially in medium and large firms is important because six sigma is today's quality equivalent to TQM in the past.
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