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叙述了有效化学测量的意义、化学计量体系的组成和特点 ,介绍了实现有效化学测量的途径以及标准物质在化学测量中的作用。
The meaning of effective chemical measurement, the composition and characteristics of stoichiometric system are described. The ways to realize effective chemical measurement and the role of standard material in chemical measurement are introduced.