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R&D : 73 phrases in 22 subjects |
Agriculture | 1 |
Astronomy | 2 |
Aviation | 4 |
Biotechnology | 2 |
Coal | 5 |
Communications | 4 |
Economy | 3 |
Environment | 1 |
Finances | 3 |
General | 11 |
Law | 2 |
Marketing | 4 |
Materials science | 2 |
Natural sciences | 2 |
Patents | 1 |
Radio | 1 |
Research and development | 6 |
Social science | 2 |
Statistics | 13 |
Taxes | 2 |
Transport | 1 |
United Nations | 1 |