In order to complete detecting the invalidation of computing node quickly and accurately, this paper designs and implements heartbeat detection protocol especially that works in kernel.
为了避免任务调度因素对检测的影响和完成对节点失效快速准确的检测，本文设计和实现了专用心跳检测协议。
参考来源 - 基于Linux多节点容错系统的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Studies heart rate testers based on integration heartbeat detection chip and introduces other components of the testers such as reflective infrared sensor, single-chip and LED display.
研究了基于集成心跳探测芯片的心跳测试仪，介绍了其组成部分，即反射式红外传感器，单片机和LED显示器。
The detection of a failure is performed by a "heartbeat" connection between the servers.
故障的检测是由服务器之间的一个“heartbeat”连接来执行的。
Current approaches for lie detection rely upon detecting changes in heartbeat, sweating or brain activity. Changes in the levels of stress hormones in the blood can also give a liar away.
目前的测谎技术主要依赖于测定心跳的变化、是否出汗和大脑活动，以及血液中压力激素水平的变动，这些都有可能给说谎者以可乘之机。
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