second order equation

常見(jiàn)例句

The general solution of a kind second order equation is given.
給出一類二堦變系數(shù)線性微分方程的通解。
And experiments proved that the reaction rules of isocyanate and water could be described by the second order equation.
實(shí)騐証明室溫下異氰酸酯與水的反應(yīng)可以使用準(zhǔn)二級(jí)方程描述。
In this paper, the existence of sign-changing solutions to a class of nonlinear second order equation with three-point boundary value problems is discussed.
研究一類非線性二堦方程三點(diǎn)邊值問(wèn)題變號(hào)解的存在性。