Agriculture	104
Air defense	14
Amateur radio service	1
Angling hobby	2
Animal husbandry	3
Architecture	15
Automated equipment	2
Automobiles	1192
Aviation	227
Bowling	2
Bridge construction	1
Business	59
Cement	2
Chemistry	91
China	2
Commerce	1
Compressors	83
Computer numerical control	27
Construction	40
Cycle sport	11
Cycling other than sport	5
Drilling	98
Earth sciences	10
Ecology	2
Economics	8
Electric machinery	44
Electricity	4
Electronics	69
Energy industry	2
Engineering geology	3
Exhibitions	5
Explosives and Explosive Ordnance Disposal	7
Figurative	6
Figure skating	1
Fish farming pisciculture	8
Fishery fishing industry	34
Footwear	1
Forestry	6
Gear train	1
General	126
Golf	1
Heavy equipment vehicles	1
Hydraulics	1
Hydroelectric power stations	50
International trade	5
Leather	2
Logistics	6
Management	2
Mathematics	2
Mechanic engineering	143
Mechanics	36
Metallurgy	336
Military	4
Mining	3
Multimedia	1
Name of organization	3
Nautical	216
Nuclear and fusion power	2
Oceanography & oceanology	9
Oil / petroleum	269
Oil processing plants	3
Oilfields	2
Outdoor activities and extreme sports	1
Plastics	55
Polo	1
Polygraphy	2
Port facilities	1
Power electronics	2
Project management	1
Public security	1
Racing and motorsport	17
Rail transport	83
Refrigeration	3
Road construction	2
Rowing	3
Sailing ships	1
Scientific	53
Securities	4
Shipbuilding	195
Skiing	2
Skydiving	5
Space	117
Sports	11
Steel production	13
Swimming	2
Taekwondo	2
Technology	2783
Telecommunications	21
Textile industry	41
Transport	29
Water resources	3
Wind Energy	154
Wood processing	2


algorithm abbr.
gen.	计算
busin.	计算机演算规则; 计算机程序规则系统; 阿拉伯数字系统; 演算规则系统
econ.	解算法; 演算法
math.	规则系统; 阿拉伯式配数法
math. од.	算法