双切线 meaning in Chinese

bitangent

On the other hand , - 6 fatty acid desaturase injection assay will be performed to check whether a metabolic pathway is established . methords of research three plasmids vector with expression elements are used to establish a eucaryotic expression vector by restriction enzyme cutting and ligation . this vector is used to pronucleus microinjection
本实验以pegfp - n1质粒为骨架载体，用酶切连接的方法构建一个顺序含有- actin启动子、 fad2cdna 、 sv40polya加尾信号的真核表达载体，双切线性化后回收，使用回收的表达载体经原核显微注射生产转基因小鼠。