- 解題時(shí)間
- 問(wèn)題時(shí)間
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problem time中文什么意思
例句與用法
- We'll run into that problem time and again .
這個(gè)問(wèn)題我們還會(huì)時(shí)不時(shí)地碰到。 - One is multi - dimension maximum sum of relative membership degree ; the other is staged multi - dimensional fuzzy optimization method . the first method is suitable for the static program that time is not involved , and the second method can be used to solve any multistage problem , especially for those problems time is involved , in the end , these methods are explained in detail one by one
其中，多維多目標(biāo)決策序列相對(duì)優(yōu)屬度總和最大法適于解決不涉及時(shí)間維的“靜態(tài)”多階段優(yōu)化問(wèn)題，而多維多目標(biāo)階段模糊優(yōu)選動(dòng)態(tài)規(guī)劃方法不僅適用于“靜態(tài)”問(wèn)題，而且適用于“動(dòng)態(tài)”的任一階段或任一層次的優(yōu)化問(wèn)題。 - In this paper , a crank - nicolson mixed element method , a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed , respectively , an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems
本文分別給出了非定常的熱傳導(dǎo)-對(duì)流問(wèn)題的crank - nicolson混合元法時(shí)間二階精度全離散格式，非線(xiàn)性galerkin混合元法時(shí)間二階精度全離散格式以及定常的熱傳導(dǎo)-對(duì)流問(wèn)題回溯二重水平法。討論了時(shí)間上的crank - nicolson離散方法應(yīng)用于非定常的熱傳導(dǎo)-對(duì)流問(wèn)題的空間離散的galerkin混合元近似。 - Under the assumptions of non - convexity and non - degeneration , it is proved that the solutions of the initial - boundary problem to this viscoelastic model tend towards the travelling wave solution of the corresponding cauchy problem time - asymptotically for zero boundary speed and small initial perturbation by a weighted energy method
對(duì)粘彈性模型，用權(quán)能量方法證明了在非凸非退化的情形下，當(dāng)邊界速度為0 ，初始值具有小擾動(dòng)時(shí)，具初邊值問(wèn)題的解收斂于相應(yīng)的柯西問(wèn)題的行波解。