In Chinese, an NP beyond IP can carry the obliqueCase, which is in essence a head-dropped pp.
汉语中ip外的NP可以带斜格，其实质是一个中心词脱落了的PP。
2
At last, this paper analysis the advances of this model compared with the geometrical optical method and the methods to generalize it in the case of oblique incidence.
最后分析了它相对几何光学方法的几个优势及将它推广到斜入射情形的方法。
3
Combining with the geological case, oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.