This helped him to change and move video tapes and television programs to create the fast-dancing images that are part of his work.

VOA: special.2011.05.18

It changes as fast as technology and communications change.

它变化的速度不亚于科技和传播,变化的速度。

麻省理工公开课 - 媒体、教育、市场课程节选

So, main meanwhile is going to change, but let's fast forward to the end just to confirm that all I did was copy and paste what was on the slide a moment ago.

所以，main同时要改变，快速翻到末端,来确认，我刚才所做的就是,在面板上复制粘贴。

哈佛公开课 - 计算机科学课程节选

If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.

如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系

耶鲁公开课 - 生物医学工程探索课程节选