一个大型电力系统最小二乘方准则的状态估计，由于其阶数很高而出现病态倾向。
When the least square criterion is applied to the state estimation of a large scale power system, high order of the equation will make it ill-conditioned.
一个大型电力系统最小二乘方准则的状态估计，由于其阶数很高而出现病态倾向。
When the least square criterion is applied to the state estimation of a large scale power system, high order of the equation will make it ill-conditioned.
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