还需充分掌握六西格玛和持续改进的基本工具，以有效分析和改进流程。
He or she will need sufficient knowledge of six sigma and foundational tools of Continuous Improvement to effectively analyze and improve processes.
黑带是掌握高级流程统计分析工具并改进复杂工作流程的人员，他们通常领导六西格玛改进项目。
Black Belt is that person who master advanced process statistics analysis tools to improve complex business processes. In general, Black Belts are the leader of 6sigma improvement projects.
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