[求译] 画底线的部分,请问怎么翻译?

楼主: zzss2003 (brotherD)   2018-09-21 23:19:56
图: https://imgur.com/a/8vln5QH
to a resolution of 1 usec,我不太懂这边的to要怎么理解
on out to,我是完全没有sense
请问这两个部分,该怎么解读比较好呢? 谢谢

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