单词：elemental analysis
elemental analysis的用法和样例：
例句
- The regularity of random error of trace element analysis is discussed.本文讨论了痕量元素分析中随机误差的规律性。
- Ultimate analysis provides an useful inventory of the distribution of the major elements in humic substances.元素分析提供腐殖物质中主要元素分布的有用资料。
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