例句與造句

1. This vector , including sbe2b gene , was 6 . 06kb long , containing endosperm specific promoter and a intron that enhanced the transcript efficiency . both sense and antisense cdna were transformed to upregulate and downregulate amylose content and relative branching characters
   正向連接的表達(dá)載體用于增加胚乳中支鏈淀粉的含量，反向連接用于減少胚乳中支鏈淀粉的含量，增加直鏈淀粉的含量。
2. It's difficult to find branch characters in a sentence. 用branch characters造句挺難的