Pure predicate calculus of first order

一阶纯谓词演算

Now, first order reactions are quite common.

一阶反应很常见。

For determining first order system parameters?

确定一阶系统参数绘图技术？。

The BVP for first order discontinuous IDE with fixed times.

一阶脉冲微分方程泛函边值问题.

Formal language is the depth of first-order logic.

形式语言是一阶逻辑的深化；

Both the first-order and second-order solutions depend on the density and depth of each layer.

一阶解及二阶解均依赖于各层流体的厚度和密度。

That means when I vary x the first order the function doesn't change.

这意味着如果x变化,函数值不会发生一阶变化。

The characteristic of dynamic state was the first order inertia link, and get the time constant.

其动态特性为一阶惯性环节，并求得了时间常数。

Method: The content of fluconazole in gel was measured by first order derivative spectrophotometry.

方法: 采用一阶导数分光光度法进行含量测定.

The main contents of first chapter are several difference schemes of first-order and second-order differential equations.

第一章有限差分方法主要内容是一阶和二阶的两点式、 三点式和五点式差分方案。