What's more, grades are not only an educational device but are also part of a screening system to help assign kids to their next class or program.
更重要的是，分数不仅是一种教育手段，也是一个筛选系统的一部分，帮助我们把孩子分配到他们的下一个班级或课程。
The fund selects across sectors, using an ethical screening approach that excludes defence and tobacco companies, and also follows a best-in-class strategy.
该基金实行跨行业选股，利用剔除防务和烟草企业的道德筛选方法，还采用行业最佳战略。
Screening precision high, the efficiency is high, any powder, grain, the mucilage class may use.
筛分精度高、效率高，任何粉、粒、粘液类均可使用。
Methods PCR screening and DNA sequence were used to determine the drug resistance genes associated with class I integron in 4 clinical strains of P. aeruginosa.
方法采用PCR扩增、DNA测序、DNA序列比对的方法对4株铜绿假单胞菌临床菌株携带的I类整合子相关基因进行解析，采用接合试验对该类整合子进行定位分析。
Methods PCR screening and DNA sequence were used to determine the drug resistance genes associated with class I integron in 4 clinical strains of P. aeruginosa.
方法采用PCR扩增、DNA测序、DNA序列比对的方法对4株铜绿假单胞菌临床菌株携带的I类整合子相关基因进行解析，采用接合试验对该类整合子进行定位分析。
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