解序列一般说是收敛的.The resulting sequence will usually converge.实际要用的项数的多少取决于收敛的快慢程度.The number of terms actually used depends upon the rapidity of the convergence.若满足了这个条件,我们就说有限差分法是收敛的.We will say that a finite - difference me...
Man is exterminating too many species for zoos to be much help.人类正在导致过多物种灭绝，动物园也无济于事。Germany is exterminating the Jews of Europe.德国正在灭绝欧洲犹太人.The spider exterminating to charge forward go first an underneath.消灭扑上来的蜘蛛,先去下面...
她赢得了一笔拨款，用以扩展自己的企业。She won a grant to develop her own business.公司试图从供货商那里再省下一笔费用。The company intends to squeeze further savings from its suppliers.他们下定决心要大赚一笔。They are set to make a big fat profit....