摘要
光学对中器快速对中法具有对中整平相互影响小、反复次数少、操作简便、效率高、对中精度高等优点 ,尤其是对光滑度较好的金属三脚架 ,其优点更为突出
Fast centering method of optical centering device has many advantages, such as less interference between centering and leveling, fewer repetitions, easy to operation and high efficiency and accuracy. Especially, it's more suitable for metal triangle frames with high smoothness. The paper describes basic principles and operational steps of the optical fast centering.
出处
《水道港口》
2000年第1期43-44,共2页
Journal of Waterway and Harbor
关键词
光学对中器
快速对中
基本原理
操作步骤
optical centering device fast centering mehod basic principle operational steps