This paper introduces a digital instrument for vertality of pile hammer. In the instrument AT89C51 is the key chip . The structure of instrument, s hardware and software are analysed.
介绍一种以单片机AT89C51为核心的垂直度测量仪，分析了硬件组成及主要软件工作流程。
Moving further along the lunch line, at the other end of the table was a large pile of chocolate chip cookies.
继续排着队向前走，在桌子的尽头有一大堆巧克力脆饼。
Moving further along the lunch line, at the other end of the table was a large pile of chocolate chip cookies.
继续排着队向前走，在桌子的尽头有一大堆巧克力脆饼。
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