加强科技人员队伍: improve the ranks of the scientific and technical personnel
在职: be on the job; be at one's post 短语和例子在职身亡 died at one's post; 在职期间 during one's tenure of office; 在职干部 cadres at their posts; 在职教师 mid-career teachers; teachers at their posts; 在职科技人员 work