我们想再试一次方盒穿云，如不能进近，我们将飞往香港。

We should like to try again the rectangular let-down. If we missed approach, we will proceed to HKG.

它等于T分之一，单位是秒的负一次方,大部分物理学家叫它赫兹

It is one over T, and so the units are seconds minus one but most physicists would call that hertz.