research的過去式和用法例句

　　research做動(dòng)詞有研究;調(diào)查等意思，那么你知道research的過去式是什么嗎?下面跟著學(xué)習(xí)啦小編一起來學(xué)習(xí)一下，希望對(duì)大家的學(xué)習(xí)有所幫助!

　　research的過去式和其他時(shí)態(tài)：

　　過去式: researched

　　過去分詞: researched

　　現(xiàn)在分詞: researching

　　research的用法：

　　research的用法1：research主要指為了學(xué)術(shù)上或有創(chuàng)造性的長(zhǎng)期認(rèn)真研究而做的調(diào)查或查詢,也指為了把已知曉的事實(shí)和規(guī)律落實(shí)到簡(jiǎn)要的文字上而做的研究,還可指做一般的、無足輕重的調(diào)查。

　　research的用法2：research可用作及物動(dòng)詞,也可用作不及物動(dòng)詞。用作及物動(dòng)詞時(shí)接名詞或代詞作賓語(yǔ)。

　　research的用法3：research用作不及物動(dòng)詞時(shí)后接介詞into或on表示“研究”的領(lǐng)域或方向。

　　research的用法4：research和re-search是兩個(gè)詞,后者意為“再查找”。

　　research的過去式例句：

　　1. It is difficult to praise this immaculately researched work too highly.

　　這項(xiàng)研究工作毫無瑕疵，怎樣稱贊都不過分。

　　2. This is an impeccably researched and very readable book.

　　這本書中的研究縝密透徹，可讀性很強(qiáng)。

　　3. All these issues have been extensively researched in recent years.

　　近年來，對(duì)所有這些問題都作了全面研究。

　　4. The nuclear industry was required to prove that every operational and safety aspect had been fully researched.

　　核工業(yè)被要求證明其在運(yùn)營(yíng)與安全各方面都進(jìn)行過充分的研究。

　　5. The region to be researched has been traced out.

　　要搜索的區(qū)域已經(jīng)劃了出來.

　　6. Our researchis sailing into uncharted waters / seas , ie investigating fieldsthat have not been researched before.

　　我們的研究工作正深入到從未涉及過的領(lǐng)域.

　　7. This is an important problem into which too few social scientists have researched.

　　這是一個(gè)極少數(shù)社會(huì)學(xué)家研究過的重要問題.

　　8. If a subject is too broad, it cannot be easily thoroughly researched.

　　如果主題太寬泛, 就不容易徹底地研究了.

　　9. The Petro - derived growthaids used as ammonium bicarbonate fertilizer were researched.

　　該文對(duì)石油助長(zhǎng)劑作為碳銨肥料添加劑進(jìn)行了探討.

　　10. Meanwhile, the anti - plaque actives, anti - caries actives and anti - tartar actives are also researched.

　　同時(shí)對(duì)抗牙斑活性物 、 抗 齲活性物及 抗 積石活性物進(jìn)行了研究.

　　11. Here the output rate automatic control method is researched.

　　本課題對(duì)生產(chǎn)率的自動(dòng)控制進(jìn)行了研究.

　　12. This method is mainly discussed and researched in this paper.

　　本文主要在這種方法上進(jìn)行了深入分析和研究.

　　13. The reordering newsboy problem was researched under the uncertainty circumstances.

　　研究模糊環(huán)境下可追加訂購(gòu)的報(bào)童問題.

　　14. Additionally, some mechanism and numerical relationship should be further researched.

　　此外, 相關(guān)機(jī)理和量化關(guān)系還有待于深入研究.

　　15. Has researched the proofs of the differential mid - value theorem.

　　對(duì)微分中值定理的證明進(jìn)行了研究.