精益六西格玛是一种流程改进方法，已在美国国防部内部获得批准。
Lean Six Sigma is a process-improvement methodology that DOD has endorsed departmentwide.
他写到，美国人一直迷恋着“搞一些冠冕堂皇的术语，如，测试版，六西格玛之类的。”
Too often, he wrote, Americans have been enamored of "a nerdy-sounding priesthood, using esoteric terms such as beta, gamma, sigma and the like."
他是美国质量协会的一员，有保证的质量工程师，质量审核员，质量经理，可靠度工程师，六西格玛黑带。
He is an ASQ Fellow, a certified quality engineer, quality auditor, quality manager, reliability engineer, and Six Sigma Black Belt.
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