quadratic differential

• 二次微分

quadratic differential的用法和样例：

例句

1. The form of the controller is a nonlinear heterogeneous differential eguation.
   控制器的形式是一种非线性非齐次微分方程。
2. The results showed that the near infrared spectrum of guava sugar content was best measured with quadratic differential spectrometer.
   实验结果显示有关番石榴糖度之近红外线光谱以二次微分光谱分析结果较佳。