我们平常见到的地质罗盘,不管是进口的还是国产的,其方位度盘上都刻有代表四个基础方位的英文字母E(东)、W(西)、S(南)和N(北),其中有一个反常的奇怪现象,就是E和W(以下分别写作东和西)与实际的东西方向正好相反。有些初学者也许还没有注意到这一现象,但它却已引起多数青少年地学爱好者的兴趣,并使一部分初学者感到疑惑不解。那么,工厂在设计和制造地质罗盘时,究竟为什么要这样做呢? 如果我们要用最简单的方式来回答这一问题,那就是为了使罗盘用起来方便。其根本原因是,磁针的指北针永远指向北磁极 Geological compasses we usually see, whether imported or domestic, are engraved with English letters E (East), W (West), S (South) and N (North), representing the four basic orientations ) There is an anomaly strange phenomenon, that is, E and W (hereinafter East and West respectively) are just the opposite of the actual direction. Some beginners may not have noticed this phenomenon, but it has aroused the interest of most young geoscientists and confused some beginners. So what exactly does the factory do when it comes to designing and manufacturing geological compasses? If we were to answer that question in the easiest way, it would be to make the compass easy to use. The fundamental reason is that the compass needle always points north pole