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apex distance; zenith distance |
顶距 : 71 phrases in 13 subjects |
Agriculture | 2 |
Automobiles | 11 |
Aviation | 2 |
Bridge construction | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 9 |
Football | 1 |
General | 1 |
Geophysics | 1 |
Oil / petroleum | 3 |
Remote sensing | 1 |
Space | 4 |
Technology | 34 |