实习对于就业准备、就业结果是否有促进作用在已有的研究中并未得到充分证明。
There is inadequate evidence in previous research to support the positive relations of internship to employment preparation and employment.
而在已有的研究中，学者多关注政策在制定环节上的公民参与，缺乏对于执行过程公民参与的关注。
In the previous researches, the researchers put more emphasis on public participation in the link of policy making, while that on the link of policy implementation was inadequate.
但在已有的研究中，因为没有考虑年龄的作用或只考虑了老化机制在网络演化过程中的作用，使得模型的一些性质与真实网络的不一致。
In previous studies, some properties of most models weren't consistent with that of the real-world networks because the impact of age was neglected or only the aging mechanism was considered.
应用推荐