本文应用加权余量法中的子域法和配点法，求出了均匀圆板在径向和横向均布荷裁作用下的极限荷载的近似解。
An approximate solution on ultimate load of a circular plate under radial and lateral loads is derived from equations by subdomain Weighted Residual Method (WRM) and point by point WRM.
在摩擦角小于半锥角的情况下，给出了极限承载能力的近似计算公式。
The approximate formula for limit load is found when the fraction angle is less than the half conical one.
利用无规相近似，讨论了长波极限强磁场条件下垒D-心的多电子效应。
The many electron effects on the barrier D - center in a strong magnetic field are investigated in the framework of static random phase and long wave limit approximation.
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