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man-day | |||
per capita per day |
每 人 每日 : 35 phrases in 13 subjects |
Agriculture | 1 |
Animal husbandry | 6 |
Aviation | 1 |
Corporate governance | 2 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 1 |
Finances | 1 |
Food service and catering | 2 |
Metallurgy | 1 |
Perfume | 1 |
Sports | 1 |
Technology | 16 |