Biot - Savart Law: the magnetostatic field produced by a steady current.毕奥.萨伐尔定律: 匀速移动的电荷产生静态磁场.According to actual parameters of inspection equipment , magnetostatic and transient finite element models are established.该...
有些中世纪的城市用驴子或水牛竞赛.Some medieval towns raced donkeys or buffaloes.水牛拉着犁,在稻田里咕唧咕唧地走着.The water buffalo squelched up and down the paddy fields, pulling the plough.水牛提供给埃及的肉比任何其它动物都要多.Water buffaloes supply Egypt with more me...
Dense smoke swirled and billowed, its rank fumes choking her.滚滚浓烟盘旋翻腾，恶臭味呛得她喘不过气来。Steam billowed out from under the bonnet.引擎盖下喷出滚滚的蒸汽。Thick black smoke billowed over the scene.在这一场景中浓浓的黑烟滚滚升起。...
人们总会沉不住气，为任何事感到担忧。People will work themselves up into a state about anything.她捧起疏松的泥土，任其缓缓地从指间漏下。She gathered loose soil and let it filter slowly through her fingers.音乐学院让你有充分的理由任想象力自由驰骋。A conservatory offers the perfect...