采用时间项技术的三维初至折射波静校正方法在求解大型方程组时由于方程组的病态性质将遇到困难。
The 3-d first break refraction static corrections adopted time-term technique has difficulty in solving large-scale set of equations because of ill-conditioned property of set of equations.
但是这里必须要澄清的是人们心中病态心理的性质。
It's important to be clear here about the nature of our sickness.
当法方程的系数矩阵呈病态时，平差参数的统计性质就要变坏。
If the coefficient matrix of the normal equation is ill-conditioned, the statistical character of adjustment parameter will become poor.
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