research map科研地图researchn.研究；调查v.研究；调查Research supervisor troops研究生导师research a historical fact证史research in the discipline学科研究Research Chairs Initiative首席科学家research in new directions新趋势的研究Research on Dry Mix Mortar干混砂浆的研究进展research and summarization调研与总结Research on Southeast Asia东南亚研究Research on the CDN System内容分发网络的研究research educational model研究性教学模式