常识“水平”是什么意思，起源、典故、生平简介及释义-历史文化

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词汇	水平
正文
释义	水平测量器具。以木槽长二尺四寸，两头及中间凿为三池，池横一寸八分，纵一寸三分，深一寸二分。前后两池相去一尺五寸，池间有通水渠，宽二分，深一寸三分。三池各置浮木，木宽微狭于池槽，上建立齿高八分，宽一寸七分。槽下有脚，高低与眼等，可旋转。以水注槽，三池浮木齐起，眇一目视之，三齿齐平，则为准。或十步或一里，乃至数十里，目力所及，置照板，度竿以白绳计其尺寸，则高下丈尺分寸可知。
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