We did some research work on environmental protection.Researching work is basic for government cadres.
调查研究：（n.)investigation and study1.We investigated and studied this environmental problem.2.Investigation and study is basic skill of government staff members.
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.
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少年卡米
