例句與造句

1. based on this fomulation, expanded mixed finite element approximations of the hyperbolic problems are considered . optimal order error estimates for the scalar unknwon, its gradient and its flux in l2-norms are obtained for this new mixed formulation
   給出了逼近未知函數(shù)、未知函數(shù)梯度和流體流量的最優(yōu)l~2模誤差估計(jì)以及擬最優(yōu)的最大模誤差估計(jì)。
2. in chapter three, we consider the finite volume element mstheods for nonlinear hyperbolic problems on the basic of the chapter three, optimal order error estimates in the h1, l2norms and w1, almost optimal error estimates in l are also demonstrated
   在第二章的基礎(chǔ)上也得到了h~1，l_2和w~(1,)誤差估計(jì)以及l(fā)_最優(yōu)誤差估計(jì)和近似解和真解的廣義橢圓投影間的超收斂估計(jì)。
3. in this paper, we consider mixed finit element methods for the initial-boundary value problems of two order hyperbolic equations and linear integro-differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems . in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux
   本文討論了二階雙曲方程和線性拋物型積分微分方程方程初邊值問(wèn)題的混合有限元方法，得到了這兩類(lèi)問(wèn)題混合有限元離散格式的誤差估計(jì)。第一章討論二階雙曲初邊值問(wèn)題的擴(kuò)展混合元方法。該方法能同時(shí)逼近未知函數(shù)、未知函數(shù)的梯度和流體的流量，較好的模擬了帶有混合型邊界條件的二階雙曲問(wèn)題。
4. It's difficult to find hyperbolic problem in a sentence. 用hyperbolic problem造句挺難的