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| modification | |
| el. sec.sys. | 改造 |
| met. | 变体; 变型; 形态; 晶型 |
| pest.contr. | 修饰; 调整; 改良 |
| sport. | 修改 |
| tech. | 变更 |
| tracking system | |
| auto. | 追 踪系统 |
| avia. | 外测体制 |
| commun. railw. | 追踪系统 |
| math. | 跟踪系统 |
| sociol. | 分班制 |
| space | 跟踪 体制 |
|
Modification : 801 phrase in 83 subjects |
| Agriculture | 50 |
| Air defense | 2 |
| Animal husbandry | 5 |
| Architecture | 1 |
| Artificial intelligence | 1 |
| Automobiles | 35 |
| Aviation | 79 |
| Biochemistry | 1 |
| Biotechnology | 3 |
| Bowling | 1 |
| Bridge construction | 8 |
| Business | 27 |
| Chemistry | 38 |
| China | 10 |
| Commerce | 1 |
| Communications | 1 |
| Computer numerical control | 3 |
| Construction | 1 |
| Corporate governance | 1 |
| Cryptography | 6 |
| Demography | 2 |
| Desert science | 6 |
| Earth sciences | 12 |
| Ecology | 3 |
| Economics | 9 |
| Electric machinery | 7 |
| Electronic commerce | 1 |
| Electronics | 39 |
| Engineering geology | 3 |
| Environment | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Finances | 1 |
| Food industry | 1 |
| Foreign trade | 2 |
| General | 5 |
| Genetics | 32 |
| Hong Kong | 2 |
| Hydroelectric power stations | 3 |
| Information technology | 13 |
| Insurance | 2 |
| International trade | 2 |
| Jewelry | 1 |
| Law | 7 |
| Leather | 1 |
| Life sciences | 4 |
| Management | 4 |
| Marketing | 3 |
| Materials science | 1 |
| Mathematics | 4 |
| Medicine - Alternative medicine | 1 |
| Metallurgy | 55 |
| Metalworking | 1 |
| Mining | 2 |
| Molecular genetics | 1 |
| Multimedia | 1 |
| Name of organization | 1 |
| Nautical | 2 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 23 |
| Pharmacology | 1 |
| Physics | 1 |
| Physiology | 1 |
| Plastics | 8 |
| Polymers | 7 |
| Project management | 9 |
| Psychology | 2 |
| Public security | 2 |
| Rail transport | 2 |
| Reproductive biology | 2 |
| Scientific | 5 |
| Sealing | 2 |
| Securities | 5 |
| Shipbuilding | 4 |
| Sociology | 1 |
| Space | 24 |
| Sports | 3 |
| Technology | 132 |
| Telecommunications | 18 |
| Textile industry | 19 |
| Transport | 1 |
| United Nations | 2 |
| United States | 1 |
| Wind Energy | 13 |