650 - Management and auxiliary services 2,052 查看记录 610 - Medicine and health 664 查看记录 620 - Engineering and allied operations 563 查看记录 630 - Agriculture and related technologies 150 查看记录 660 - Chemical engineering 77 查看记录 640 - Home and family management 69 查看记录 690 - Construction of buildings 45 查看记录 680 - Manufacture of products for specific uses 19 查看记录 670 - Manufacturing 16 查看记录 600 - Technology (Applied sciences) 13 查看记录 330 - Economics 1 查看记录