In hospitals, business plans vie with patients for doctors' attention.在医院，经营方针和病人都是医生所要关心的。Environmental groups are up in arms about plans to sink an oil well close to Hadrian's Wall.环保组织极力反对在哈德良长城附近打油井。I'...
为了做成电磁体你需要对金属线送电.To make an electromagnet you need to send a current through the wire.电磁体是用来消散 反 坦克导弹的能量的.Electromagnets would be used to dissipate the energy of an anti - tank missile.这个受控热核反应装置内部是用一系列电磁体作能源.Inside the ...