first approximation

• 一级近似,首次近似,初步近似,第一次近似,一次近似值,第一近似

first approximation的用法和样例：

例句

1. It's derivation involved no approximation.
   它的推导过程不含近似处理。
2. The jellium model in a certain approximation leads to the equation.
   凝胶模型在某种近似下导致下列方程。
3. The final figure is only an approximation.
   最后的数字只是一个近似值。
4. In this class, we investigate the connection between networks for learning and the approximation scheme described so far.
   在这堂课里，我们要认识到目前为止有关学习网路和近似值理论两者前后关系的研究。