Theorem 1 and are equivalent infinitesimals if and only if.定理1与是等阶无穷小的充分必要条件为.They capture small - scale behavior, just like infinitesimals, but use the ordinary real number system.他们捕获的小规模的行为, 就像无穷小, 但使用普通的实数系统....
...the flow of immigrants northward.向北推进的移民潮In some cases, the immigrants and emigrants have been the same persons.在某些情况下, 入境者与出境者乃是同一批人.A wave of immigrants is washing over Western Europe.移民潮正席卷西欧。Quebec mandated that a...
Generally his ideas were expressed in sententious phrase, spoken in low voice .他发表意见总是用柔和的声音，简短的句子。Generally his ideas were expressed in brief sententious phrase, spoken in low voice.他发表意见总是用柔和的声音,简短的句子.Too often the sig...
The boastful boy roasts a cast loaf on the coast.牛皮男孩在海岸上烤一条丢弃的面包.Darker roasts, in contrast, have a fuller flavor approaching a bittersweet tang.深度烘焙, 比较而言, 苦甜参半的风味更加浓郁.Day air - cooled, fragrant roasts sweet potato dep...
它在发酵过程中起触媒的作用.It acts as a catalyst in the process of fermentation.气雾化粉末触媒氧等杂质含量远低于水雾化.The content of impurities in water - is greater than that in gas - atomization.触媒转换器成为诱人的偷窃目标是因为它们很容易就得手.The converters are inviting ...