This paper proposes an efficient hybrid multicast key management scheme to solve the problem of high key update cost in large dynamic multicast group.
针对大型动态群组组播通信密钥更新开销大的问题，提出一种高效的混合组播密钥管理方案。
You can choose to take a high-key or low-key approach, and expose to emphasize certain areas of an image over others.
这可以是件好事，因为你可以选择高调拍摄或者低调拍摄，用曝光来强调一些部分并弱化其他部分。
You can choose to take a high-key or low-key approach, and expose to emphasize certain areas of an image over others.
这可以是件好事，因为你可以选择高调拍摄或者低调拍摄，用曝光来强调一些部分并弱化其他部分。
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