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- 无级比例尺GISscale-less GIS
- 基于GIS的城市道路网无级比例尺信息提取Information Abstract of Urban Roads on Varying Map Scale
- GIS中基本要素的无级比例尺数据处理技术研究A Technique on Automatic Compression and Recovery of Fundamental GIS Spatial Data on Varying Map Scale
- 无级比例尺Varying Map Scale
- 一种多比例尺GIS方案及其数据模型A Multi-scale GIS Scheme and Its Data Model
- 面向无级比例尺的空间数据仓库索引技术研究Infinitely variable map scale spatial database
- 无级stepless
- 无级调速stepless speed regulating
- 无级变速器variable speed case
- 无级调节stepless regulation
- 无级键homopolar linkage
- 无级变速infinite variable speed
- 无级但stepless regulation
- 无级网non-hierarchical network
- 变扭比无级变化stepless variation of torque ratio
- 无级转向continuous turning
- 无级行走continuous walking
- 无级变径infinitely variable diameters
- 无级漫游Free map roam
- 无级传动stageless transmission
