adjustment mark

In digital mapping,it may often produce input error from the serial number of station point or observing point with Total-Station.

数字化测图外业全站仪设站中,时常会发生测站点点号或照准点点号错录的情况,当回到内业计算机展点时会发现大量碎步点偏离了其真实位置,如何在内业成图时给予纠正而不需要外业重测是所有测量单位常常会遇到的问题,本文就这一问题进行了一定的探讨。

The interference and diffraction phenomenon created by cylinder s edge in the course of the pointing of the laser aiming system are discussed in this paper.

通过研究激光照准系统中柱形边缘引起的边缘衍射和干涉效应,分析其对边缘瞄准精度的影响。