first order approximation

常见例句

Dr Worm acknowledges that the figures are “only a first order approximation” but says that if anything they are conservative.
Worm博士承认这些数据只是一阶近似，但他认为如果没有什么区别的话，这些数据已经是保守的了。
The first order approximation of the primary resonance of a harmonically forced symmetrical piecewise linear system is derived by using KBM approach.
由KBM法推出的分段线性系统主共振的一次近似解，导出了分叉方程。
It is pointed out that Peters'equation is just the formula with first order approximation.
指出该公式只是一阶近似意义下的公式，并导出二阶近似、三阶近似意义下的公式。