| 1 | 研究 | 研究 | yán jiū | yan2 jiu1 | research; a study; Classifiers: 项 ; to research; to look into | | |
| 2 | 科研 | 科研 | kē yán | ke1 yan2 | (scientific) research | | |
| 3 | 研制 | 研製 | yán zhì | yan2 zhi4 | to manufacture; to develop | | |
| 4 | 研究所 | 研究所 | yán jiū suǒ | yan2 jiu1 suo3 | research institute; graduate studies; graduate school; Classifiers: 个 | | |
| 5 | 研究生 | 研究生 | yán jiū shēng | yan2 jiu1 sheng1 | graduate student; postgraduate student; research student | | |
| 6 | 钻研 | 鑽研 | zuān yán | zuan1 yan2 | to study meticulously; to delve into | | |
| 7 | 研究者 | 研究者 | yán jiū zhě | yan2 jiu1 zhe3 | investigator; researcher | | |
| 8 | 研 | 研 | yán | yan2 | to grind; study; research | | |
| 9 | 研讨 | 研討 | yán tǎo | yan2 tao3 | discussion | | |
| 10 | 研修 | 研修 | yán xiū | yan2 xiu1 | to do research work; to engage in advanced studies | | |
| 11 | 科研人员 | 科研人員 | kē yán rén yuán | ke1 yan2 ren2 yuan2 | (scientific) researcher | | |
| 12 | 科研小组 | 科研小組 | kē yán xiǎo zǔ | ke1 yan2 xiao3 zu3 | a scientific research group | | |
| 13 | 科研样机 | 科研樣機 | kē yán yàng jī | ke1 yan2 yang4 ji1 | research prototype | | |
| 14 | 作业研究 | 作業研究 | zuò yè yán jiū | zuo4 ye4 yan2 jiu1 | operations research | | |
| 15 | 考研 | 考研 | kǎo yán | kao3 yan2 | to sit an entrance exam for a graduate program | | |
| 16 | 井研县 | 井研縣 | jǐng yán xiàn | Jing3 yan2 xian4 | Jingwan county in Leshan 乐山 , Sichuan | | |
| 17 | 集体研究 | 集體研究 | jí tǐ yán jiū | ji2 ti3 yan2 jiu1 | team research | | |
| 18 | 极深研几 | 極深研幾 | jí shēn yán jǐ | ji2 shen1 yan2 ji3 | deep and detailed investigation (idiom) | | |
| 19 | 核武器研制计划 | 核武器研製計劃 | hé wǔ qì yán zhì jì huà | he2 wu3 qi4 yan2 zhi4 ji4 hua4 | nuclear weapons (manufacturing) program | | |
| 20 | 国际肿瘤研究机构 | 國際腫瘤研究機構 | guó jì zhōng liú yán jiū jī gòu | Guo2 ji4 Zhong1 liu2 Yan2 jiu1 Ji1 gou4 | International Agency for Research on Cancer (IARC) | | |
| 21 | 古根罕喷喷气推进研究中心 | 古根罕噴噴氣推進研究中心 | gǔ gēn hǎn pēn pèn qì tuī jìn yán jiū zhōng xīn | Gu3 gen1 han3 pen1 pen4 qi4 tui1 jin4 yan2 jiu1 zhong1 xin1 | Guggenheim Aeronautical Laboratory at the California Institute of Technology (GALCIT, from 1926); Guggenheim jet propulsion center (from 1943) | | |
| 22 | 干细胞研究 | 幹細胞研究 | gàn xì bāo yán jiū | gan4 xi4 bao1 yan2 jiu1 | stem cell research | | |
| 23 | 发展研究中心 | 發展研究中心 | fā zhǎn yán jiū zhōng xīn | Fa1 zhan3 Yan2 jiu1 Zhong1 xin1 | Development Research Center (PRC State Council institution) | | |
| 24 | 读研 | 讀研 | dú yán | du2 yan2 | to attend graduate school | | |
| 25 | 从事研究 | 從事研究 | cóng shì yán jiū | cong2 shi4 yan2 jiu1 | to do research; to carry out research | | |