例句與造句

1. In part one , the 2 - d finite - difference formula are set up
   第一部分進行二維有限差分公式的推導(dǎo)。
2. Based on the previous work , the equations of motion and elastodynamics are changed . a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate , and the corresponding code is accomplished
   本文在彈性波動力學(xué)的基礎(chǔ)上，將運動方程和本構(gòu)方程作適當(dāng)變形，采用交錯網(wǎng)格技術(shù)建立了井孔波動方程在柱坐標(biāo)系下的速度?應(yīng)力高階有限籌分公式，并編制了相關(guān)計算程序。
3. In this article , physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made , based on the lared - s code in planar geometry . it consisted of the processes such as the inverse bremsstrahlung absorption , electic heat conduction and fluid dynamics
   本論文在lared - s程序平面版本基礎(chǔ)上，推導(dǎo)了三維柱和球幾何中激光驅(qū)動的物理方程和相應(yīng)的差分方程，編制了二維和三維柱和球幾何中激光驅(qū)動流體不穩(wěn)定性的lared - s程序版本，主要物理過程包括：激光逆軔致吸收、電子熱傳導(dǎo)和流體運動。
4. It's difficult to find finite-difference formula in a sentence. 用finite-difference formula造句挺難的