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。

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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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At the other end of the table was a large pile of chocolate chip cookies.

在桌子的另一端放着一大堆巧克力饼干。

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That market was also destined to end up on the commodity pile, so Endoh in 1994 assigned 50 researchers to a challenging task: Cut plastic chip package costs by one-third.

FORBES: It's all in the packaging