The problems of the correction of track error of discrete dot and the emersion control of time synchronization are discussed.

讨论了飞机离散点航迹误差的修正、插值算法以及时间同步播放控制问题。

youdao

And this is a picture from emersion week-- emersion week is when the very first time students meet together that for 5 days to Penn.

这是一张开学周的照片-,开学周时，同学初次见面,他们来宾州五天。

哈佛公开课 - 幸福课课程节选