首先用灰色理论GM(1,1)模型预测了某矿伤亡事故数和伤亡事故的突变年份。

First, the fault casualty number and the year which comes with fault casualty catastrophe of a mine were forecasted by using Grey Theory GM (1, 1) model.

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我们进行此项研究，确定这类肿瘤中是否有EGFR基因的突变、EGFR基因拷贝数的增多、及ALK的易位。

We undertook this study to determine whether EGFR mutations, increases in EGFR copy number, or ALK translocations are present in these tumors.

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EGFR基因拷贝数的改变和突变有很大的差异，科学家试图定义其在三阴性乳腺癌中的预后意义。

EGFR gene copy number alteration and mutation are highly variable and scientists have been challenged to define their prognostic significance in triple-negative breast cancer.

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