They struck a deal with their paper supplier, getting two years of newsprint on credit.他们同纸张供应商达成协议，可赊购两年的新闻用纸。Dol International was set up in year 2006, we are professional stone product supplier.纵横建材有限公司创建于2006年, 是一家致力...
自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.Autotrophic mutants were prepared from six different stocks of the homoictic group.结论成功地构建了人胰岛素突变体的融合表达体系,为进一步的研究奠定了基础.Conclusion Expression clone of human insulin mutant is successfully cons...