semimicrodetermination

例句：

1. 1.The semimicrodetermination of the sample is crucial for the analysis.
   样品的半微量测定对于分析至关重要。
2. 2.The researcher conducted a semimicrodetermination to determine the concentration of the pollutant.
   研究人员进行了一次半微量测定，以确定污染物的浓度。
3. 3.The results of the semimicrodetermination were consistent with the theoretical values.
   半微量测定的结果与理论值一致。