ResearchGate官網(wǎng)
ResearchGATE是一個(gè)社交網(wǎng)絡(luò)服務(wù)網(wǎng)站，于2008年5月上線。網(wǎng)站旨在推動全球范圍內(nèi)的科學(xué)合作，用戶可以聯(lián)系同行，了解研究動態(tài)，分享科研方法以及交流想法。Find over 80 million publications, 7 million researchers and 1 million answers to research questions. ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publication
www.researchgate.net - 2020-06-24 - 收藏-
我愛問卷調(diào)查網(wǎng)
www.5iresearch.com我愛問卷調(diào)查網(wǎng)主要從事企業(yè)產(chǎn)品開發(fā)前的市場調(diào)查，問卷調(diào)查，樣本采集服務(wù)。社區(qū)內(nèi)參與調(diào)查問卷的會員實(shí)行積分獎勵的機(jī)制！
www.5iresearch.com - 2020-04-23 - 收藏 -
點(diǎn)眾調(diào)查網(wǎng)
Valued Opinions pays you for responding to our online surveys and polls, conducted on behalf of some of the best known brands in the country.點(diǎn)眾調(diào)查網(wǎng)www.valuedopinions.cn
www.valuedopinions.cn - 2020-04-23 - 收藏 -
Virus Bulletin
Independent malware journal and website with advice, reviews and tutorials.
www.virusbtn.com - 2020-04-18 - 收藏 -
Internet Research Task Force(IRTF)
The IRTF is managed by the IRTF Chair in consultation with the Internet Research Steering Group (IRSG).
www.irtf.org - 2020-04-16 - 收藏