management of research subjects的意思|示意

Through analyzing and comparing humanity hypothesizes in economics and management, we can realize that the research methodology and inter-learning degree of the two subjects are different.

对经济学与管理学中人性假设的分析与比较，说明两门学科在研究方法和知识的相互借鉴程度上都存在差异。

Hence for many years maintenance optimization has been one of the most active subjects of research in the maintenance management field.

因此，维修优化多年来一直是维修管理领域最活跃的研究课题之一。