位场向下延拓
Downward continuation of potential field
重力场的虚拟向下延拓
fictitious downward continuation of gravity field
局部向下延拓
partial downward continuation
局部虚拟向下延拓
local fictitious downward continuation
向下延拓积分
downward continuation integral
虚拟向下延拓
fictitious downward continuation
奇异线性二次指标最优控制问题LQ问题
singular linear quadratic LQ problem
表面张力-重力短峰波
surface capillary-gravity short-crested waves