They put forward many valid reasons for not exporting.他们提出了很多不出口的正当理由。The exporting country is unlikely to have much monopoly power.出口国未必具有很大的垄断力量.Import quotas are sometimes dressed up as voluntary export restraint agre...
用杀死侵入的锥虫的药物苏拉明, 在溶酶体中积累.The drug suramin, which is used to kill invading trypanosomes, is accumulated in lysosomes.病毒通常在侵入的位置复制.Viruses usually replicate at the primary site of the entry.现在的诊断方法包括侵入的和贵活组织切片检查.Current dia...
Taxonomic species are defined on phenetic discontinuities, not on interfertility.分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的.A TAXONOMIC STUDY ON WHITEFLIES IN BEIJING ( HOMOPTERA: ALEYRODIDAE )北京地区粉虱分类研究 ( 同翅目: 粉虱科 )The temptation to...