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rim of the pacific | |||
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Circum Pacific |
环太平洋 : 64 phrases in 11 subjects |
Air defense | 1 |
Aviation | 2 |
Desert science | 6 |
Earth sciences | 10 |
Economy | 1 |
General | 1 |
Geology | 2 |
Name of organization | 3 |
Oil / petroleum | 11 |
Technology | 11 |
United Nations | 16 |