MCS 51 microcontrollers are typically used for high-speed event control systems.

MCS51单片机典型的应用是高速事件控制系统。

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Existing design methods for discrete event control system (DECS) implemented with programmable logical controller (PLC) have disadvantages in efficiency and ease of use.

对于采用可编程逻辑控制器(PLC)实现的复杂离散事件控制系统(DECS)，现有设计方法在效率和易用性等方面存在不足。

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In order to exactly describe logic relations among objects of discrete event control systems and write programs, a rule-based language, logic rule Description language (LRDL) is put forward.

为了准确描述离散事件控制系统对象之间的逻辑关系和编写控制程序，提出了一种基于规则的语言——逻辑规则描述语言(LRDL)。

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The government has hired thousands of police officers, created special courts and purchased millions of dollars worth of crowd control equipment for the event.

VOA: standard.2010.01.22

In any event, gun control issues are not as easy as simply adding more laws.

FORBES: Am I Safer If My Neighbor Has A Gun?

Furyk struggled in the early stages of the 36-hole event before taking control in the middle of his round, making six birdies and one bogey.

BBC: SPORT | Golf | Furyk storms clear

We recognize that, even as we do all we can, we cannot control every event.

WHITEHOUSE: President Obama Speaks on Preventing Mass Atrocities