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| 2-D (Existing in reference to two measures, such as height and width--for example, a two-dimensional model drawn with reference to an x-axis and a y-axis, or a two-dimensional array of numbers placed in rows and columns) | |||
| 2D: 112 phrases in 13 subjects |
| Agriculture | 4 |
| Chemistry | 38 |
| Communications | 6 |
| Earth sciences | 26 |
| General | 6 |
| Information technology | 4 |
| Mathematics | 3 |
| Mechanic engineering | 13 |
| Microsoft | 3 |
| Nuclear physics | 2 |
| Physical sciences | 3 |
| Radio | 3 |
| Statistics | 1 |