释义 |
水准仪shuǐzhǔnyí利用水平视线直接测定地球表面两点间高度差的仪器,主要由望远镜和水平仪构成。{surveyor's level; instrument designed to determine the difference in height between two points on the earth's surface by using the horizontal line of sight, usu. composed of a telescope and a spirit level} |