The special solution formula of a third order ordinary differential equation 一类三阶常微分方程的特解公式
Solutions of three new second - order quadratic differential equations and their general solution formula 新三类二阶二次微分方程的解法及其通解公式
The suitable nutrient solution formula was calculated according to the water quality in beijing 根据对主要大量元素的实际吸收情况,推算网纹甜瓜合适的营养液配方。
Finally , the solution formula of the semiboundless mixed problem of the fractional diffusion equation is obtained 最后得到分数阶扩散方程半无界混合问题的求解公式。
The specified solution formula derivation of second order non - homogeneous linear differential equation with constant coefficients 二阶常系数非齐次线性微分方程特解公式的推导