The ceremony presented only seven awards: two for acting and one for best movie,director,writing,cinematography and art direction.

VOA: special.2009.02.20

You've got to be very used to the notion of taking a vector in some oblique direction and writing it in terms of i and j.

你们应该已经很熟悉,倾斜的坐标系中矢量的概念,和用 i 和 j 来表示该矢量的方法

耶鲁公开课 - 基础物理课程节选