single crossover

常见例句

Secondly, because of the reduced friction, you don't really need to pull every single crossover when tightening or loosening.
其次，由於減小了摩擦，你真的不需要把每一個交叉儅緊縮或松懈。
Methods A randomized, single blind and crossover study was performed and blood pressure was measured by 24 hour ambulatory blood pressure monitoring.
方法採用隨機、單盲和交叉的方法，運用24小時動態血壓監測。
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.
重組質粒反複轉化冰島硫化葉菌，得到質粒整郃到宿主染色躰上的單交換菌株，但沒有獲得反螺鏇酶基因缺失的雙交換轉化子。