The determination of tetramine and fluoroacetamide using GC-MS method unknown sample was discribed in this paper.
本文采用GC -MS 法测定杀鼠剂产品中是否含有毒鼠强及氟乙酰胺,其方法准确、迅速、可操作性强.
The early-warning model can distinguish the known sample data completely. After the preliminary use, the early-warning model can accurate distinguish almost the unknown sample data.
预警模型对已知的样本数据可以完全判别,在初步使用后对未知样本数据的基本判断准确。
In the reliability theory, reliability function and its inverse function are usually unknown and need to be estimated by using sample.
可靠性理论中,可靠度函数及其反函数通常都是未知的,需要依据样本进行估计。
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