A material obeying ohm's law is called an ohmic conductor or a linear conductor.凡是遵守欧姆定律的材料,都叫做欧姆导体或线性导体.The resistivity is then constant and Ohm's law is obeyed.因此电阻率也是常数,并遵循欧姆定律.standard ohm标准欧姆Hence comes th...
如果下雨外出,你会淋湿的.If you go out in the rain you'll get wet.如果你不带雨衣出去,你就要冒淋湿的危险, 因为可能下雨.If you go out without a raincoat you risk getting wet, because it may rain.他不愿冒被淋湿的危险,因为他只有一套衣服.He didn't want to risk getting w...
Tsunami is an unfamiliar kind of phenomenon to us.海啸对我们来说是个陌生的现象.May 22 , 1960, the Chilean sea tsunami waves of 25 meters.1960年5月22日, 智利海域发生海啸,浪高25米.People plan to carve a stone to memorialize the tsunami victims.海啸之后,人...
Brevet is a form of military commission formerly used in US armies.名誉晋升是美军曾用的一种军衔.Brevet dropped his eyes.布莱卫把眼睛低下去.Judges with an international brevet are integral to the development of Acrobatic Gymnastics.国际裁判员要全身心地为发...
1919至1920年的冬天斑疹伤寒症流行.A typhus epidemic struck in the winter of 1919–20.那就不必担心路上得坏血症或斑疹伤寒这类疾病了!No fear of scurvy or ship fever this voyage.那么医生是如何防止斑疹伤寒的扩散与传播的 呢 ?And how do doctors prevent the spread of typhus?...
Name six perennials and six annuals suitable for indoor flower arrangement.列出多年生及一年生花朵各六种,它们必须是适合插花的.Herbage can be divided into three categories : annuals , biennials, and perennials.草本植物可分成一年生 、 二年生和多年生.Perennials like...