second order term meaning in English
次级效应项
Examples
- In soft - photon approximation , the average excitation energy only appears in the first and second order terms of field frequency
在软光子近似下，平均激发能仅出现在光场频率的一阶和二阶项上。 - Abstract : in the way of adjustment with the first and second order term of expanded nonlinear function in consideration and the way of nonlinear adjustment in the fields of nonlinear to do the same adjustment , by comparison of its ' results , stressed on the necessity of constructing theory of adjustment & data processing in the space of nonliear functions
文摘:用顾及一阶泰勒项的线性平差方法，顾及二阶泰勒项的线性平差方法及非线性函数空间的平差方法对同一平差问题进行研究，在比较其平差效果的基础上论述了建立非线性函数空间测量平差与数据处理理论的必要性。