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...
Only a handful had returned to work in the immediate vicinity.仅有几个人回到临近地区工作。A handful of onlookers stand in the field watching.少数几个旁观者站在现场观看。He surveyed the handful of custo-mers at the bar.他打量着吧台那边零星的几个顾客。...
Hibernian clinched the First Division title when they beat Hamilton 2-0.希伯尼安队以2比0战胜汉密尔顿队，夺得了甲级联赛的冠军。Willie Hamilton broke away early in the race.威利·汉密尔顿在比赛中早早甩开了其他选手。Ann Hamilton was a Caucasian from New England.安·汉密尔顿是来...
我在切开的伤口上涂了一点药并贴上一块橡皮膏.I dabbed the cut and applied a plaster.头颅 、 胸腔和腹腔除意外事故外, 仍属不能切开的禁区.The head, chest, and abdomen were still sanctuaries not to be opened, unless by accident.请给我千岛调味品, 并要一片切开的柠檬.C: Thousand Island dre...
在拉各斯,一名中国人和一名尼日利亚工人在联邦钢铁厂检查生产.Chinese and a Nigerian worker examine production at Federated Steel in Lagos.他径直前往拉各斯, 未在内罗毕停留.He went straight to Lagos, without stopping in Nairobi.他从一架由拉各斯起飞的荷兰航空公司的飞机下来后,在阿姆斯特丹登机.He join...
During the hypotension , CVR and RVR showed a decline for 10—30 minutes.BP下降 时, CVR及RVR降低,可?持10—30分钟.CVR were worsen graduately with the severity of hypertension.随着高血压程度的加重,CVR值逐渐降低.HRV and cardiovascular reflex tests ( ...
One in five young adults was struggling with everyday mathematics.1/5的年轻人做日常的数学计算都费劲。Many of the differences in everyday life remain.日常生活中的许多差异仍然存在。She watches television to relieve the monotony of everyday life.她天天靠看电视来...
OBJECTIVE : To study pharmacological effects of bornyl acetate, the main ingredient of Amomum villosum volatile oil.目的: 研究砂仁挥发油主要成分乙酸龙脑酯的药理作用.The present invention has high efflux and stopping bleeding effects.本发明的优点是:使用...