METHODS: Analysis the different reasons of drug price from drug quality assurance system, pharmaceutical care, drug using structure system and function mechanism.
方法：从药品质量的保证体系、药学服务、药品使用结构以及体制、运行机制等方面剖析药品价格不同的原因。
The quality assurance system serves the better function to enhancing accuracy of field acquisition data and eliminating various errors during working and reducing period seismic data processing.
质量保证体系对提高野外采集精度，减少施工中的各种误差，缩短资料处理周期有较好的作用。
Topics of study include designing for function as well as for looks, manufacturing processes, and quality assurance.
课程包括功能设计，如外表，加工程序和质量保证。
Topics of study include designing for function as well as for looks, manufacturing processes, and quality assurance.
课程包括功能设计，如外表，加工程序和质量保证。
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