英语翻译原句:The protocols for recombineering fragments,of which h
英语翻译
原句:The protocols for recombineering fragments,of which homology regions(HRs) were PCR-amplified from the BCA clone with the following primer sets:(M393 and M394 for HR1,M395 and M396 for HR2,M397 and M398 for HR3 and M399 and M155 for HR4 ),were generated based on the protocols described previously by our group.这句话的大体意思我能理解,但是:M393 and M394 for HR1,M395 and M396 for HR2,M397 and M398 for HR3 and M399 and M155 for HR4