development age meaning in English

发育年龄
发展年龄

Now in china the macro structure adjusting of the higher education has almost basically taken off , the organization structure adjustment and the discipline construction of the university become important tasks in the new strategic development ages
在我国高等教育宏观结构性调整已经基本完成的情况下，高校内部的学科建设和组织结构调整工作成为了新的战略发展期的重要课题。