prepositioned

This paper analyzes a key transport protocol based on prepositioned secret sharing.

摘要分析了一种基于置秘密共享的密钥传输。

The prepositioned VOD video servers play an critical role, otherwise it is impossible to provide personalized video services with high cost performance.

置VOD视频服务器的作用至关重要，否则就不可提供物美价廉的个性化视频服务。