The handover of something is when possession or control of it is given by one person or group of people to another.
例句
He said they would attach conditions to the handover of the base...他说他们将对基地的移交附加一些条件。The handover is expected to be completed in the next ten years.预计移交工作将在今后10年里完成。
英英词典释义
Noun
1. act of relinquishing property or authority etc;