The Model 90 is recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
示范建议90月底或死亡，如需要精确的控制，信号回路的压力自动监测的关键应用的低流量的服务。
2
The application of the system has greatly improved the automatic measurement and control level of sediment model, relived the workload and increased work efficiency.
该系统的应用大大提高了泥沙模型试验自动化测量控制水平，提高了工作效率。
3
An automatic guidance method for tractor was developed based on a vehicle kinematical model and the optimal control theory.