下面以人类基因为例: library('biomaRt') mart <- useDataset("hsapiens_gene_ensembl", useMart("ensembl")) genes <- rownames(pbmc.markers) G_list <- getBM(filters= "ensembl_gene_id", attributes= c("ensembl_gene_id","hgnc_symbol"),values=genes,mart= mart) 其中genes为一个向量,打印出来,...