| Subject | English | Chinese |
| comp., MS | Standard Industrial Classification code | 標準產業分類碼 (A four-digit number assigned by the U.S. government to designate the economic activity of businesses) |
| energ.ind. | Standard Industrial Classification Code | 标准产业分类代码 |
| econ. | standard industrial code | 标准工业代码 |
| earth.sc. | standard industrial code | 标准工业码 |