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ground observation
 ground observation
forestr. 地面观察
| platforms
 platform
bowl. 助跑区
dat.proc. 遥感平台
hydroel.st. 站台; 装卸台; 工作台

to phrases
ground observation
forestr. 地面观察
space 地面观测
ground observation: 23 phrases in 10 subjects
Aviation1
Cartography1
Earth sciences2
Electronics2
Engineering geology1
Explosives and Explosive Ordnance Disposal2
General1
Geology1
Space4
Technology8