质量体系运行是一个不断改进、完善和提高的过程。
The running of the quality system is a process that need improve, complete, raise.
这些“成果”应该成为完善和提高城市综合体的营养。
These "achievement" should be perfect and improve the urban complex of nutrition.
该系统的安全性和稳定性还有待于进一步完善和提高。
But for the safety and stability, it needs to be improved and perfected further.
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