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体系加入已知量待测物质的测定值和测得体系原有待测物质含量的差值与此加入量的百分比。反映待测物在样品分析过程中损失程度的指标,损失越少,回收率越高,与真实成分和分析的准确度有密切的关系。在无标准物质和标准方法对照的情况下,是最常用来检验相对系统误差和估计测定准确度的方法。
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agency theory
Agenda 21
Agenda of China Sea in 21th Century
agenda-setting
agenda-setting function of news: thinking what
agenda setting theory
A General History of Chinese Literature
A General History of the Theory of Ancient Chinese Drama: From the Pre-Qin Era to the Modern Time
A General Introduction to Chinese Operas
A General Introduction to Operatic Genres of Shanxi Province
A General Study of Ming Variety Drama
A General Survey of Agriculture
A General Survey of Chinese Quyi
A General Survey of Ci Poetry in the Song Dynasty
A General Survey of Ci Poetry in the Tang and Song Dynasties
A General Survey of Yuefu Poems
A general Theory of Magic
A Generation
Agent
agent
agent ad litem
agent architecture
agent auction
agent autonomy
agent-based computational finance
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