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...
This genus of plants differentiates into many species.这种植物可分为许多种类.Our fax machine differentiates between an incoming fax signal and a voice call.我们的传真机能区分接收传真信号和语音信号.It is the power of speech which most clearly different...
他刚过午夜就睡着了，睡得还算安稳。He fell asleep just past midnight with tolerable ease.他在午夜时分离开，避开了记者的追踪。He gave reporters the slip by leaving at midnight.富兰克林直到午夜过后很久才出现。Franklin did not turn up until well after midnight....
to send an SOS发出紧急呼救信号She stamped out the letters'sOS'in the snow.她用脚在雪地踩出'sOS'这三个字母.So they were asked to draw their SOS families.所以他们被告知的是书画SOS的家庭....
比较不常见的浸蚀多聚物的化学浸蚀物有酸 、 碱.Less common reagents that attack polymers include acids, bases.六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.雷酸盐基本上不同于异氰酸盐...