single crossover

常見(jiàn)例句

Secondly, because of the reduced friction, you don't really need to pull every single crossover when tightening or loosening.
其次，由于減小了摩擦，你真的不需要把每一個(gè)交叉當(dāng)緊縮或松懈。
Methods A randomized, single blind and crossover study was performed and blood pressure was measured by 24 hour ambulatory blood pressure monitoring.
方法采用隨機(jī)、單盲和交叉的方法，運(yùn)用24小時(shí)動(dòng)態(tài)血壓監(jiān)測(cè)。
Based on the homologous recombination, the plasmid pRG of reverse gyrase gene knock-out was constructed and transformed into the Sulfolobus islandicus and the single crossover mutant was isolated.
重組質(zhì)粒反復(fù)轉(zhuǎn)化冰島硫化葉菌，得到質(zhì)粒整合到宿主染色體上的單交換菌株，但沒(méi)有獲得反螺旋酶基因缺失的雙交換轉(zhuǎn)化子。