Mean-while, it is also a natural response to expanding living space and academic life for the intellectuals under certain times, environment and the finer division of speciality.

• 同时，也是在时代环境因素许可的条件下，日渐细密的专业分工使得知识群体在学科范围内谋求开拓生存空间与延展学术生命的自然反应。