例句與造句

1. At this frequency uncertainty, the NPL-CsF2 is expected to neither gain nor lose a second in about 138 million ( ) years.
2. It's really a relationship that comes out of pairs of conjugate variables, and can be beautifully illustrated with Fourier transforms and time-frequency uncertainty-but this is a digression.
3. :The reason is that there is something called the " time-frequency uncertainty principle "-and in a very loose sense, this uncertainty holds intrinsically for " any " signal.
4. It's difficult to find frequency uncertainty in a sentence. 用frequency uncertainty造句挺難的