| 单词 | 水准仪 |
| 释义 | 〔level〕To measure the different elevations of (a tract of land) with a level.测量水平：用水准仪对（土地）做水准测量〔level〕Such a device combined with a telescope and used in surveying.测地水准仪：装有望远镜的这种装置，用于测量〔level〕An instrument for ascertaining whether a surface is horizontal, vertical, or at a 45° angle, consisting essentially of an encased, liquid-filled tube containing an air bubble that moves to a center window when the instrument is set on an even plane. Also called spirit level 水准仪：用来确定一个层面是水平的、垂直的或是呈45度角的仪器，主要由一个密封的、充满液体的玻璃管构成，管内有一个气泡，当仪器放在一个水平面上时，气泡移至中间的观测口 也作 spirit level |
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