把你需要的工具和材料开一张单子。Make a checklist of the tools and materials you will need.智能计算机将成为医生不可或缺的诊断工具。An intelligent computer will be an indispensable diagnostic tool for doctors.他们用矛和其他作战工具武装自己。They were armed with spears and o...
磷酸羧化酶在水稻叶绿体形成中的作用.Phosphoenolpyruvate carboxylase intrinsically located in the chloroplast of rice plays a crucial role in ammonium assimilation.多种羧化酶缺陷症 ( MCD ) 是一种常染色体隐性遗传的先天遗传代谢性疾病.Multiple carboxylase deficiency ( MC...
Fewer workers are needed to solder circuit boards.焊接电路板需要的工人更少了。Joints between reinforcement members can be made satisfactorily with tin solder.锡焊能够满意地做成加筋构件之间的接头.A number of metals and alloys, how ever , are difficult t...