| Share | Phrase |
|---|
| 19.79% | approximation [attribute] adequate |
| 15.73% | describe to approximation |
| 13.54% | steady-state approximation |
| 13.32% | rough [touch] approximation |
| 11.12% | linear [shape] approximation |
| 6.56% | good [character] approximation |
| 6.15% | adequate [amount] approximation |
| 4.65% | temperature approximation |
| 2.38% | line approximation |
| 2.38% | represent approximation [perform operation] |
| 2.32% | obtain approximation [perform operation] |
| 2.02% | fuel approximation |