As we did for USERNAME in the previous step, set the value as required on the validation TAB, and set the control up to display validation error messages in an error message control.
如我们上一步对USERNAME做的一样，将验证选项卡上的值设为必须，然后在错误消息控制中设定显示验证错误消息。
Combine blur control with general PID control, on line self-adjusting PID parameters according to different error and error variety-rate, which is called PID parameters self-tuning blur controller.
将模糊控制与常规pid控制相结合，根据不同的误差、误差变化率对PID的参数进行在线自动调整，这就是PID参数自整定模糊控制器。
Research is made on realization of automatic compensation and control of the error, and a newly developed automatic hole error compensation and control system is introduced.
文章对如何实现该项误差的自动补偿控制进行了研究，并介绍一套新研制的孔径误差自动补偿控制系统。
A modified adaptive model following control algorithm was presented, in which the system output error is added to control signal and the next time output error is evaluated by linear networks.
提出一种改进的模型跟随自适应控制算法，该改进算法把系统当前输出误差引入控制信号，同时利用线性神经网络估计系统新的输出误差。
This paper analyses and compares the error control mechanisms of several reliable multicast protocols, and discusses the impact of applications and networks on the error control mechanisms.
该文对多种可靠组播传输协议中的差错控制机制进行了分析与比较，并且讨论了应用和网络环境对差错控制机制的影响。
The fuzzy and neural networks combined control overcomes the stable state error of the fuzzy control and the poor-sensitivity of the neural networks to minor system error.
介绍了一种模糊与神经网络相结合的控制方法，借以克服模糊控制存在稳态偏差的不足和神经网络对小偏差信号不敏感的缺陷。
Methods The microcomputer controlled AC servo system was selected and different control rules were applied, depending on the error value: when error was large, the saturation control was adopted;
方法选择微机控制的AC伺服系统，应用变结构控制方法：大误差，用饱和控制；
This paper presents three error-control solution and gives a brief introduce of the technique of error control used in mobile data transmission system in use and future.
本文介绍了差错控制的三种方案，对现有的移动通信系统和将来的移动通信系统数据传输中应用的差错控制技术做了简要介绍。
This paper presents three error-control solution and gives a brief introduce of the technique of error control used in mobile data transmission system in use and future.
本文介绍了差错控制的三种方案，对现有的移动通信系统和将来的移动通信系统数据传输中应用的差错控制技术做了简要介绍。
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