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因本文篇幅过长,将其分为两部分,第Ⅰ部分叙述使用陀螺仪原理的三种仪器以及仪器使用中所采用的不同方法,第Ⅱ部分(将刊于下期“测量评论”)叙述其使用方法并提供运算简例和有关计算成果。第Ⅰ部分一、引言为了研究悬挂式陀螺仪性能以及使用这类仪器在地下任一点建立真北方向时所能达到的精度,伦敦帝国大学皇家采矿学校于1972年已开始探索作业程序。这一工作目的
Because of the length of the article, it is divided into two parts. Part I describes three instruments that use the principle of gyroscopes and different methods used in their use. Part II (which will be published in the next edition of Survey of Measurements) describes Use methods and provide operational examples and related calculation results. Part I I. INTRODUCTION In order to study the performance of suspended gyroscopes and the accuracy with which such instruments can be used to establish true North at any point in the ground, Royal College of London Imperial University began exploring operational procedures in 1972. The purpose of this work