zone plan

... 带谐系数coefficient of zonal harmonics 带状平面图zone plan 单差相位观测single difference phase observation ...

 plan of a zone

... 城市地形图topographic map of urban area 带状平面图plan of a zone 管道综合图synthesis chart of pipelines ...

[测] plan of zone

... 带状地形图 strip map 带状平面图 plan of zone 单臂式绘图仪 single-arm plotter ...