... first difference 一次差分 first difference equation 一阶差分方程 first divergence 首次临界试验 ...
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first order difference equation [数] 一阶差分方程
First order recursive difference equation 一阶递归差分方程
first cut linter difference equation 一阶差分方程
first order linear difference equation 一阶线性差分方程
first order difference equation pass 第一孔型
first order difference equation pour 第一期浇灌
first order difference equation rate 第一等的
The letter "C" in the first equation refer to "Contribution". It means the differenCe between sales revenue and variable Costs.
第一个等式中的“C”是指边际贡献，它是指销售收入和变动成本之间的差额。
At first we can get the Lagrangian function from the elliptic equation, then replace differential coefficient by difference and get the discrete Lagrangian function.
给定一个椭圆方程，我们先找出这个方程的拉氏函数，用差分代替微分，得到离散的拉氏函数。
In this paper, an implicit-explicit upwind difference scheme for the first order linear hyperbolic equation is proposed using explicit scheme and implicit scheme alternately.
本文采用显格式与隐格式交替使用的方法，针对一阶线性双曲方程提出了一种隐-显迎风差分格式。
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