但年龄结构中青年教师所占的比例过小，不能形成很好的年龄梯队；

But the aged teacher occupies the proportion is too small, cannot form the very good age echelon;

youdao

但年龄结构中青年教师所占的比例过小，不能形成很好的年龄梯队；

But the aged teacher occupies the proportion is too small, cannot form the very good age echelon;

youdao