水準尺是一種標有刻度的木質或鋁質尺子,與水準儀配合使用,用於確定不同的高程。一般長約3~4米,按其構造不同可分為摺尺、塔尺、直尺等數種。尺面每隔1厘米塗有黑白或紅白相間的分格,每分米有數字註記。為倒像望遠鏡觀測方便起見,注字常倒寫。

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測量人員的水準尺。

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