| Share | Phrase |
| 8.02% | optimal [effectiveness] value |
| 6.71% | optimal [effectiveness] gain |
| 6.47% | optimal [effectiveness] timing |
| 5.23% | optimal [effectiveness] ratio |
| 4.71% | optimal [effectiveness] performance |
| 3.37% | optimal [effectiveness] ro |
| 3.35% | optimal [effectiveness] regulator |
| 2.85% | optimal [effectiveness] condition |
| 2.80% | optimal [effectiveness] feedback |
| 2.78% | optimal [effectiveness] operation |
| 2.76% | optimal [effectiveness] efficiency |
| 2.48% | optimal [effectiveness] control |
| 2.41% | optimal [effectiveness] point |
| 2.37% | optimal [effectiveness] combustion |
| 2.22% | optimal [effectiveness] position |
| 2.11% | optimal [effectiveness] mixture |
| 1.97% | optimal [effectiveness] temperature |
| 1.96% | optimal [effectiveness] pressure |
| 1.89% | optimal [effectiveness] amount |
| 1.77% | optimal [effectiveness] time |
| 1.67% | optimal [effectiveness] protection |
| 1.58% | optimal [effectiveness] alignment |
| 1.51% | optimal [effectiveness] characteristic |
| 1.23% | optimal [effectiveness] period |
| 1.12% | optimal [effectiveness] ik |
| 1.12% | optimal [effectiveness] angle |
| 1.11% | stoichiometrically [manner] optimal |
| 1.09% | optimal [effectiveness] quantity |
| 1.03% | optimal [effectiveness] distribution |
| 0.98% | optimal [effectiveness] replacement |
| 0.97% | optimal [effectiveness] preparation |
| 0.96% | optimal [effectiveness] rate |
| 0.96% | optimal [effectiveness] fuel |
| 0.94% | optimal [effectiveness] level |
| 0.88% | optimal [effectiveness] force |
| 0.86% | optimal [effectiveness] range |
| 0.84% | optimal [effectiveness] location |
| 0.84% | optimal [effectiveness] qo |
| 0.82% | optimal [effectiveness] means |
| 0.78% | optimal [effectiveness] balance |
| 0.78% | optimal [effectiveness] choice |
| 0.73% | optimal [effectiveness] acceleration |
| 0.71% | optimal [effectiveness] datum |
| 0.70% | optimal [effectiveness] flow |
| 0.67% | optimal [effectiveness] adjustment |
| 0.67% | optimal [effectiveness] output |
| 0.67% | optimal [effectiveness] conversion |
| 0.65% | optimal [effectiveness] ignition |
| 0.65% | optimal [effectiveness] response |
| 0.62% | optimal [effectiveness] manner |
| 0.60% | optimal [effectiveness] state |
| 0.60% | optimal [effectiveness] supply |
| 0.55% | optimal [effectiveness] energy |
| 0.55% | optimal [effectiveness] injection |
| 0.54% | optimal [effectiveness] engine |
| 0.53% | optimal [effectiveness] design |