The first step uses a bit of influenza DNA to get the patient's immune system to begin fighting off the flu, and then the protection is given a "boost" some time later by the second step, which can be either another bit of DNA or a conventional flu vaccine.

VOA: standard.2010.07.21

I don't know where that is, that disappeared on the blackboard, then putting the time equal to 1 second into this formula.

我不知道我写在哪儿了,已经不在黑板上了,然后把时间等于1秒代入方程

耶鲁公开课 - 基础物理课程节选

Today we'll do the first way, and then next time we'll do the second way.

证明这个式子，今天讲一个，下次再讲一个。

麻省理工公开课 - 热力学与动力学课程节选

If you do that, let's call the particular time t*, then 10t*-10=0, or t* is 1 second.

这样一来,我们把这个时间记为t,所以10t*-10=0,即t*为1秒

耶鲁公开课 - 基础物理课程节选