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，由于减小了摩擦，你真的不需要把每一个交叉当紧缩或松懈。
Methods A randomized, single blind and crossover study was performed and blood pressure was measured by 24 hour ambulatory blood pressure monitoring.
方法采用随机、单盲和交叉的方法，运用24小时动态血压监测。
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.
重组质粒反复转化冰岛硫化叶菌，得到质粒整合到宿主染色体上的单交换菌株，但没有获得反螺旋酶基因缺失的双交换转化子。