PROFINET是一种新的实时以太网标准，本文介绍了PROFINET两类不同性能的实时通信的技术特点，并对等时同步实时通信技术进行了分析，说明了其对IEEE1588的改进。
In this paper, isochronous real-time communication of PROFINET is analyzed and enhancements to IEEE1588 are explained after two kinds of real-time communication in PROFINET are introduced.
提供能满足实时控制要求的可靠的数据通信，是实现两级微机控制的一个技术关键。
To provide reliable data communication which can meet the requirements of real-time control is a technical key problem when two-leve microcomputer control is put into action.
体温实时无线监测诊断系统是采用电子测温和无线通信技术设计的。
The wireless real-time monitoring system for body temperature is based on electronic thermometry and wireless communication technology.
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