- 二阶方程
- second: n. 1.秒 (＝1/60分)；秒(针)。 2.片刻；一 ...
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- second order differential equation: 二阶微分方程
- second-order differential equation: 二次微分方程; 二级微分方程; 二阶微分方程
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second order equation中文什么意思
- 二阶方程
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例句与用法
- Positive solution of singular initial value problem of a second order equation
一个二阶奇异初值问题的正解 - The general solution of a kind second order equation is given
摘要给出一类二阶变系数线性微分方程的通解。 - The cauchy problem for a hyperbolic equation of second order equation with data on the parabolic line
取值在抛物线上的双曲型微分方程的柯西问题 - The study of degenerate elliptic equations can be traced back to 1910 ' s , first appeared in picone ' s thesis . after half century ' s development in this field , o . a . oleinik and e . v . radkeic , published their classic monograph second order equations with nonnegative characteristic form in 1971
而这类方程的特征形式在所研究的区域上是变号的，即在有的子区域上非负，而在其余的子区域上非正。