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grid coordinates |
方格 坐标 : 22 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 2 |
Drilling | 1 |
Earth sciences | 1 |
Electronics | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
Oil / petroleum | 1 |
Statistics | 1 |
Technology | 10 |