Conclusion: This method can effectively control the quality of Compound South Isatis Root Granules.
结论：本法可作为制剂质量控制的有效手段。
The relatively complete theory of frequency method and root locus method for the design of automatic control system was set up through the efforts of numerous scholars after world war II.
二次大战以后，经过众多学者的努力，形成了较为完整的自动控制系统设计的频率法理论和根轨迹法理论。
The analysis on frequent trouble in thickener using quality control method shows that the overload is the root cause for the thickener trouble, then countermeasures are proposed.
运用质量控制的方法分析判断浓密机故障多的原因，指出过载是造成浓密机故障多的最主要原因，提出了解决问题的对策及措施。
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