key distribution短语²³⁹⁰² 基本例句 密钥分布 And it includes key distribution and key management according to the member changes. 另一个方面是对密钥进行管理以适应组成员关系的变化。 cnki Through creating the cluster key, the protocol reduces the key storage cost and resolves the problem of high communication cost for key distribution and renewing. 通过建立簇密钥对，降低了密钥存储开销，解决了密钥对建立和更新过程中通信开销大的问题。 say666