用分数或数字比例的形式表示的比例尺。
然后讨论了数字人体的无级比例尺信息处理流程和多种数据的融合技术。
The stepless scale information dealt flow of digital human body and introject technique of multi-data were discussed then.
本文首先介绍了数字人体无级比例尺数据管理技术的研究内容；
The studying contents of stepless scale data management technique of digital human body were introduced firstly in this paper.
作者通过变焦数据模型原理，探讨如何建立多层存贮结构，将数字地图中的大比例尺地图数据库自动导出小比例尺图形。
This paper discusses how to establish multilayer storage structure and automatically reduce small scale graph from large scale mapping database by theory of changed-focuses Datum Model.
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