He says,Iraq must also determine how to cooperate and coordinate, beginning now and until the end of 2011.

VOA: standard.2009.07.28

One is if you have to coordinate how you're going to give this vaccine to two million children across the U.S.

首先必须协调合作,如何才能将疫苗,分发给全美国二百万孩子

耶鲁公开课 - 生物医学工程探索课程节选

How do the components of A in the new rotated coordinate system relate to the components of the old coordinate system?

在旋转后的新坐标系中 A 的分量,和原始坐标系中 A 的分量有什么关联呢

耶鲁公开课 - 基础物理课程节选