The field may be provided by permanent magnets or by electromagnets.外地可能提供的永磁材料,或由电磁铁.The rails of their Maglev train were made of about 100 magnets.他们所做的磁悬浮列车轨道采用了约100块磁铁.Magnets are used for the controller's attac...
We know about magnetism by the way magnets act.我们通过磁铁的作用知道磁性是怎么一回事.The N pole and S pole of two magnets will attract each other.两个磁体的N极和S极互相吸引.The entire ring has about 1000 magnets spaced at regular intervals.整个圆环由大约100...
心脏的外表面是由另一层结缔组织, 即心外膜所覆盖.Over the other surface of the heart lies another layer of connective tissue, the epicardium.描记心外膜电图,计算心肌缺血程度.The epicardial electrogram was used to measure the myocardial ischemia degree.心外膜表面可见粗...
The little witch put a mock malignity into her beautiful eyes, and Joseph, trembling with sincere horror, hurried out praying and ejaculating " wicked " as he went.这个小女巫那双美丽的眼睛里添上一种嘲弄的恶毒神气. 约瑟夫真的吓得直抖, 赶紧跑出去,一边跑一边祷告,还嚷着 “...
She was nervous and kept scanning the crowd for Paul.她很紧张，眼睛不停地在人群中搜寻保罗。She sat scanning the yellowing pages.她坐着浏览发黄的书页。A new technological marvel was invented at Cambridge University in England, the scanning electron mi...