J家馍小T
调查研究 [词典] [医] investigation; [经] investigate; [例句]我已在离开伦敦前进行了准备，做了些调查研究。I had taken the precaution of doing a little research before I left London
江小赖007
用两个词，因为调查不意味着就会研究1.我们对环保问题进行了调查研究. We research and stuty on the environment problem.2.调研工作是机关干部的基本功.Researching is the basic work government cadres.
大睿2010
We did some research work on environmental protection.Researching work is basic for government cadres.
