The nature of the nutritional requirements for obligate parasites in nature is unknown.人们还不知道自然界中专性寄生菌的营养要求的本质.All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligat...
An obligate anaerobe can survive only in the absence of oxygen.专性厌氧生物只能在无氧条件下生存.Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.绵羊无浆体病是绵羊和山羊红细胞内专性寄生的由节肢动物传播的立克氏体疾病.Paul Ehrlich sees...
Several of the delays were caused by the new high-tech baggage system.几次延误都是由新的高科技行李传送系统造成的。We were not able to meet the deadline because of manufacturing delays.因为制造方面的延误，我们没能赶上最后期限。Diplomats believe that bureaucratic d...
这台滚压机 ( 剪切机 ) 加工的钢板厚度可达25毫米.The thickness of the steel plate handled by this roller mill ( shear machine ) is 25 millimeters.这台滚压机 ( 切机 ) 工的钢板厚度可达25毫米.The thickness of the steel plate handled by this roller mill ( shear ...