course是什么意思

用法例句

Correction of the hydrodynamic method used to predict development indexes in a parallel water-flooding reservoir;

行列注水油田开发指标计算方法的改正

The paper has deducted 168 first order partial derivatives among 8 thermodynamic functions and converted complicated differential operation into simple algebraic operation using Jacobian determinant on the basis of 7 basic formulas.

以 7个基本公式为基础 ,运用Jacobian行列式 ,将复杂的微分运算换算成简单的代数运算 ,推证出 8个热力学函数之间存在的 168个一级偏微商 ,方法简单 ,易于掌