investigation and study of the background value 背景值调查研究
The investigation and Study on aquatic ornamental plants 水生观赏植物的调查和研究
The study or investigation of ancestry and family histories. 家系学，系谱学关于祖先和家庭历史的研究或调查
Investigation and Study on Adverse Drug Reaction of Shuanghuanglian Injection 双黄连注射剂药物不良反应的探讨和研究
Investigation and Study Report on Ways Available to Dust from Porcelain Kilns 瓷窑烟尘利用途径的调研报告
The Investigation and Study on Problem of the Lower Percentage of Cover in Supporting Agriculture Rediscount 关于支农再贷款覆盖面低下问题的调查研究
Report on special investigation and study of nominally dependent system and the administrative body of the learned society 关于学会挂靠体制及办事机构改革的专题调研报告
Investigation and Study on the Examination Anxiety among the Students in the Clinical Medical College Inner Mongolia University for Nationalities 内蒙古民族大学临床医学院学生考试焦虑调查分析
Stress should be laid on the weight of evidence and on investigation and study, and it is strictly forbidden to obtain confessions compulsion and to give them credence 要重证据，重调查研究，严禁逼供信