The research scientists often meet with problems( )a new type of instrument for their solution.备选：requireing / to require 选哪个呀?谢谢!

英语翻译This research was conducted at the Center forNanophaseMaterials Sciences,which is sponsored at Oak RidgeNationalLaboratory by the Scientific User FacilitiesDivision,Office of BasicEnergy Sciences,US.Department of Energy,as wel ‘the research isnt there the research on computer 还是 the research into computer? do the research on对吗 do the research on对吗 research Research research THE PRACTICE OF SOCIAL RESEARCH怎么样 how to write the research proposal? journal of the operational research society怎么样 I did all of my research on the Internet对 all of my research 提问 宾语从句 the book which/that I got a lot of useful information from was written by a famous scienti这句话 which/that 是做宾语还是主语? going research the market and find out the going rate would you like me to help you with the research what can medical research hilp according to the passage翻译 英语翻译in the research phrase of job-hunting what is the difference between market investigation and market research?