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摘要： 1. https://answers.ros.org/question/189867/what-is-the-timestamp/ In ROS messages timestamp is taken from your system, which is unix epoch time. Check 閱讀全文

摘要： https://blog.csdn.net/dai_jing/article/details/38147419 linux 的系統(tǒng)時(shí)間有時(shí)跟硬件時(shí)間是不同步的（我們?cè)谲浖蝎@取的時(shí)間來(lái)自于系統(tǒng)時(shí)間） Linux時(shí)鐘分為系統(tǒng)時(shí)鐘（System Clock）和硬件（Real Time Clock，簡(jiǎn)稱R 閱讀全文