在《PONS词典》中的词汇
op·era·tion·al re·ˈsearch 名词, OR 名词 no pl esp 美, 澳
在《PONS词典》中的词汇
在《PONS词典》中的词汇
I. re·search 名词 [rɪˈsɜ:tʃ, 美 ˈri:sɜ:rtʃ]
1. research no pl (study):
2. research no pl (study of):
3. research (studies):
II. re·search 名词 [rɪˈsɜ:tʃ, 美 ˈri:sɜ:rtʃ] modifier
research (centre, programme, project, unit, work):
III. re·search 动词 不及物动词 [rɪˈsɜ:tʃ, 美 -ˈsɜ:rtʃ]
-
- etw erforschen [o. untersuchen]
IV. re·search 动词 trans [rɪˈsɜ:tʃ, 美 -ˈsɜ:rtʃ]
1. research 科:
-
- etw erforschen
2. research JOURN:
-
- etw recherchieren
op·era·tion·al [ˌɒpərˈeɪʃənəl, 美 ˌɑ:pəˈreɪ-] 形 不变的
1. operational (in business):
2. operational (functioning):
operational 形
有关银行业、金融业和保险业的词语（PONS）
operational 形 MKTG
有关交通运输业的词语（PONS）
operational research
| 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 |
无例句可用
请尝试其他条目。
单语范例（未经PONS编辑处理）
Due to price rises after the war, operational costs rose from 681,000 in 1919 to 1,520,000 by 1922.
en.wikipedia.org The operational viability of this system remains to be seen.
en.wikipedia.org This left the wing without any operational aircraft.
en.wikipedia.org Their operational target is to be on scene within 15 minutes of the original call.
en.wikipedia.org Some of them still survive, but they are no longer operational.
en.wikipedia.org