BS ISO 9849:2017仅定义了与大地测量现场仪器相关的术语，例如测距仪、水准仪、， 经纬仪和其他仪器，以及通常用于地面测量的基本部件 军械测量、地形测量、平面测量和工程测量作业 调查因此，以下字段的相关术语没有提及，例如， 摄影测量学、天文学、水文测量和工业计量学。不涉及仪器运行不需要的附件。这个 术语按英文字母顺序排列。交叉引用:ISO 7078购买本文件时提供的所有现行修订均包含在购买本文件中。

BS ISO 9849:2017 defines terms relating to geodetic field instruments only, e.g. distance meters, levels, theodolites and others, and their essential component parts which are normally used in terrestrial measuring operations of ordnance survey, topographic survey, plane survey and engineering survey. Therefore, terms concerning fields such as the following are not mentioned, for example, photogrammetry, astronomy, hydrographic survey and industrial metrology.Accessories which are not necessary for the functioning of the instruments are not dealt with. The terms are arranged in English alphabetical order.Cross References:ISO 7078All current amendments available at time of purchase are included with the purchase of this document.