unstable point meaning in Chinese

不稳定点

2 ) the disadvantage is presence of singularities in the feature mapping function , which reflect themselves as unstable points in the inverse jacobian control law
2 )跟踪过程中图像雅克比矩阵可能存在奇异性问题，导致系统不稳定。
The simulation on the four - machine and eleven - bus test system proves that the dsr imitated by ann is more accurate than the traditional least square method , and the fuzzy identifier can availably reduce the wrong judges of the border points and the stable or unstable points in the vicinity of border
实验表明，用神经网络拟合的动态安全域其拟和合度和精度均高于传统最小二乘法的拟合，其模糊识别器进一步减少了临界点的误判和在安全域边界上稳定和非稳定点的误判。