initial time

基本解释

And we've also assumed an initial time, which usually we can just call zero.
还假定了一个初始时间，初始时间一般都可以设成零。
primaryWaitThreshold – initial time, in seconds, to wait for the report to finish before an asynchronous conversion begins.
primaryWaitThreshold – 初始时间，单位为秒，指 asynchronous conversion 开始前等待报告完成的时间。
An alarm has an initial time, a setting for how often it should recur (only counts in minutes are possible), and a number of times to recur.
警报有一个初始时间、一个警报重发频率的设置（只能以分钟计算）和重发次数。

It's very interesting because velocity seems to require two different times to define it -- the initial time and the final time.
这非常有趣,因为速度似乎需要两个时间才能算出来,初时刻和末时刻
耶鲁公开课 - 基础物理课程节选
Then, you've got to say, "What do I have to know about this object at the initial time?
然后,也许你会问,我需要知道物体初始状态的哪些信息呢
耶鲁公开课 - 基础物理课程节选
Simply knowing the acceleration is not enough to tell you where it was at the initial time.
仅仅知道加速度是,不足以告诉你它在初始时刻的位移的
耶鲁公开课 - 基础物理课程节选

After 20 minutes and just about all of his initial time allotment, Sen.
FORBES: Magazine Article