绝大多数非线性微分方程是不能用解析方法求解的.The overwhelming majority of nonlinear differential equations are not soluble analytically.与微分相反的运算叫做积分.The operation that is the inverse of differentiation is called integration.这称为正规微分方程组.This is...
Customs officials have made a series of contradictory statements about the equipment.海关官员们对这种设备作出了一系列互相矛盾的陈述。As far as I'm concerned the officials incited the fight.在我看来，是官员们煽动了这场争斗。A court at Tampa, Florida has con...
One makes baskets by interlacing reeds or fibers.人以芦草或纤维编结篮子.Triaxial fabric is woven by interlacing three yarn ends at 60� � angles.平面三向织物是由三组互成60°角的纱线交织而成.The delicate fiber - shaped structure recreates the interlacing...
A hibernating bear spends the winter in sleep.冬眠的熊以冬眠度过冬季.India spends over a fifth of its budget on defence.印度的国防开支占了其财政预算的 1/5 强。Do you really think a kid like Marlon spends any time in a library?你们觉得马龙是那种会上阅览室的孩子 吗 ?H...
"I suppose so," said Anna with a shrug.“我想是吧,”安娜耸了耸肩说道.He shrug his low opinion of the occupant of the room.他耸耸肩表示对那房间的住户不屑一顾。She can shrug off her troubles and keep smiling.她能够把烦恼置之度外而依旧保持笑容.He gave a feeble shrug and t...