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Science -- 3 Vocational guidance 2 Deception (Military science) 1 Economic development 1 Electronic government information -- 1 Environmental protection -- 1 Geopilitics 1 more ...
Science -- 3 Vocational guidance 2 Deception (Military science) 1 Economic development 1 Electronic government information -- 1 Environmental protection -- 1 Geopilitics 1 more ...