Probabilistic Neural Networks (PNN) is improved and used on line to estimate the states of singular perturbed systems, especially to the faststates of the systems.
将改进的概率神经网络(PNN)用于奇异摄动系统的实时状态估计，注重针对系统快变部分的滤波。
2
Even in the United States—the fast-food nation—small farms and urban gardens are on the rise.
即使在快餐之国美国，小农场和城市菜园也越来越多。
3
It was during the ages of the iron horse that delivery really starts to become fast. The United States translated most folk mails by train by nearly 100 years.