3) Approximate integration
近似求积
1.
The asymptotic state of mean value for the second mean value integral theorem is studied in this paper and the results are applied to approximate integration.
研究了积分第二中值定理“中间点”的渐近性，并把所得结果应用于近似求积。
2.
When 1) D αf(a)≠0;2) f (i) +(a)=0 (i=1,2,…,n-1), D αf (n-1) (a)≠0, the asymptotic state of mean value of second mean value theorem for integral are respectively studied,their varying trend has been studied,these results are then applied to approximate integration.
分别在Ｄαｆ（ａ）≠０和ｆ（ｉ）＋（ａ）＝０（ｉ＝１，２，…，ｎ－１），Ｄαｆ（ｎ－１）（ａ）≠０的情况下，研究了积分第二中值定理中ξ的变化趋势，并把所得结果应用于近似求积。
4) approximate solution
近似解
1.
Any order approximate solution of the state equation for an affine nonlinear system;
仿射非线性系统状态方程的任意阶近似解
2.
Approximate Solution of a Class of Coupling Nonlinear Systems;
一类耦合强非线性系统的近似解
3.
The approximate solution and the exact solution of three dimensional harmonic oscillator in potential H′=(λμω_0~2/2)(x~2+y~2+z~2);
三维谐振子在H′=(λμω_0~2/2)(x~2+y~2+z~2)下能级的近似解和精确解
5) approximate interpretation
近似解释
补充资料：求解
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