求翻译：设计并实现了双容水箱液位串级控制系统。在设计中充分利用自动化仪表技术，计算机技术，通讯技术和自动控制技术，以实现对水箱液位的串级控制。是什么意思？

Design and implement a dual-tank water level cascade control system. Full use of automated instrumentation technology in the design, computer technology, communication technology and automatic control technology, in order to achieve the water tank level cascade control.

Design and implement a dual-capacity water tank level cascade control system. In the design of the full use of automated instrumentation technology, computer technology, communication technology and automation technology, to achieve the water tank level control of the String class.

Designed and realizes double has accommodated the water tank fluid position cascade control system.In design full use Process Automation Instrumentation technology, computer technology, communication technology and automatic control technology, realizes to the water tank fluid position cascade contr

Design and realization of cascade control system for double-tank liquid level. Full use of automation instrumentation in design technology, computer technology, communication technology and automation technology, to achieve the cascade water tank liquid level control.

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