数据采集子系统运用多级循环队列时间片轮转策略来提高监测任务的实时性。
The real-time response performance of the subsystem is improved with the multilevel circular queue based on time-cycled strategy.
该阀门有四个功能：流量测量、止回、再循环控制和多级降压。
The valve has the four functions of flow measure, flow checking, recirculating control and multistage pressure reducing.
多级精密过滤系统，溶液循环往复使用。
Multi-level precise filter system, Solvent repeated recycle use in the machine.
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