The big factories are trying to stay alive by cutting costs.大型工厂正试图通过削减成本以维持生存。Jordan promised to trim the city budget without cutting essential services.乔丹承诺在不减少基本服务的前提下，缩减市政预算。His tax-cutting pledge brought a delirious...
The active promoter fragment was cloned from actinophage? φ SL 60 and then sequenced by dideoxynucleotide sequencing system.通过测定林可链霉菌噬菌体? SL60启动子活性片段的碱基,分析了该启动子的结构、核糖体结合位点、转录起始位点和翻译起始密码子等功能元件.Sequenced overhead photos fr...