I. research [rıˈsɜːtʃ] 名词
operational research 名词, operations research
- operational research
-
operations research 名词
operations research → operational reasearch
| I | research |
|---|---|
| you | research |
| he/she/it | researches |
| we | research |
| you | research |
| they | research |
| I | researched |
|---|---|
| you | researched |
| he/she/it | researched |
| we | researched |
| you | researched |
| they | researched |
| I | have | researched |
|---|---|---|
| you | have | researched |
| he/she/it | has | researched |
| we | have | researched |
| you | have | researched |
| they | have | researched |
| I | had | researched |
|---|---|---|
| you | had | researched |
| he/she/it | had | researched |
| we | had | researched |
| you | had | researched |
| they | had | researched |