政策依据 - policy's basis / basis of policy起步阶段 - starting period / period of inception探索性研究 - investigative research / explorative research认识过程的升华 - sublimation of a recognition process充实理论研究 - substantiate theoretical research规律 - order / rule / law / discipline评价\评估(体系) - evaluation / appraisal / valuation (system) 正相关 - direct correlation前期(水平) - previous level / previous state综合评价方法 - integrated appraisal method