最高阶导数线性地出现的那种方程是准线性方程.A quasilinear equation is one in which the highest - order derivative appears linearly.这种 “ 导数边界条件 ” 的规定描述于 3-5 节中.The specification of such " derivative boundary conditions " is described in Sectio...
一整排的远摄镜头都对准了他。A bank of telephoto lenses homed in on him.那栋有34个房间的摄政时期的白色官邸报价为1,750万英镑。The price tag on the 34-room white Regency mansion is £17.5 million.一台电视摄像机摇摄整座体育场。A television camera panned the stadium....
This piece of equipment needs a thirty - ampere fuse.这设备需要30安培的熔丝.The units in which we show voltage and current are volt and ampere respectively.我们用以表示电压和电流的单位分别为伏特和安培。Isabel, with her eyes bent, fingered the pages of M...