在《PONS词典》中的词汇
ob·ser·va·tion·al re·ˈsearch 名词
在《PONS词典》中的词汇
ob·ser·va·tion·al [ˌɒbzəˈveɪʃənəl, 美 ˌɑ:bzɚˈ-] 形 不变的
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
| 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
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单语范例（未经PONS编辑处理）
Observational research, which is considered noninvasive to the herd, is sometimes conducted.
en.wikipedia.org Observational research can show associations between two things, such as drinking and mortality.
www.themalaymailonline.com However, the study only looked at health and dog ownership within a narrow period, so limited conclusions can be drawn from this observational research.
www.nhs.uk This field of research aims at improving the usability of products by incorporating experimental and observational research methods to guide the design, development, and refinement of a product.
en.wikipedia.org Observational research we conducted in one hospice showed that while attention was given to big bucket-list-type activities, such as getting married, smaller day-to-day activities could easily be missed.
theconversation.com