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...
The casinos in Las Vegas had better watch out since I'm obviously on a lucky streak!拉斯韦加斯的赌场要小心了，因为我显然正红运当头！There was a streak of insanity in the family.这个家族有精神错乱的倾向。Paul was someone who certainly had a puritan stre...