The image shows a wide field of view of 66 degs. apparent angle.

这张图显示这个镜子的表观视场达到66度。

In the first step, significant analysis of microarrays (SAM) was used to select a subset of differentially expressed genes (DEGs).

第一步，采用基因表达差异显著性分析方法（SAM）筛选得到差异表达基因子集。

The essential and initial problem of gene expression microarray data analysis is to identify differentially expressed genes (DEGs), under certain conditions.

特定条件下的差异表达基因筛选是科学家使用芯片的初衷，也是芯片数据分析中很重要的一种应用。