通常,波长较短传播较慢—但是破坏性要大的多—的S波会随之而来。 通过这两种波到达时间的差值可以估算震中的距离。
type of waves can be used to estimate distance to the epicenter.
偏移量仅仅是UTC和本地时间之间的差值,而时区则是一个具名的规则集合,描述了偏移量该如何随着时间的变化而变化。
An offset is simply the difference between UTC and local time, whereas the time zone is a named set of rules describing how the offset changes over time.
如果总时间差值小于 maxTimeDiff(500 毫秒),则 totalTimeOK 子例程认为密码及其确认有效。
The totalTimeOK subroutine considers a password and its confirmation valid if their total time discrepancy is less than maxTimeDiff (500 milliseconds).
Take the difference of the two velocities and divide by the difference of the two times, and you've got the acceleration.
求出速度的差值,除以时间的差值,这样就能得到加速度
Their difference divided by the difference in times is going to be the acceleration.
它们的差值再除以时间的差值,就是加速度
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