例句與造句

1. a single step transformation system for the generation of a large-scale t-dna insertional mutant population of rice was developed
   基于水稻大規(guī)模t-dna插入突變體庫(kù)的建立，我們發(fā)展了一個(gè)簡(jiǎn)單、快速、高效的農(nóng)桿菌介導(dǎo)的一步轉(zhuǎn)化系統(tǒng)。
2. It's difficult to find step transformation in a sentence. 用step transformation造句挺難的