| Share | Phrase |
|---|
| 26.78% | air-fuel flaf/base |
| 26.47% | reference flaf/base |
| 18.19% | ratio flaf/base |
| 14.29% | value flaf/base |
| 3.44% | change flaf/base [perform operation] |
| 3.16% | add flaf/base [perform operation] |
| 2.67% | adjust flaf/base [perform operation] |
| 1.99% | flaf/base sum |
| 1.12% | fixed [time periodicity] flaf/base |
| 1.09% | component flaf/base |
| 0.74% | determine flaf/base [perform operation] |