We propose a new efficient group signature scheme based on Strong RSA assumption.

基于强rsa假设，本文提出了一种高效的群签名方案。

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Based on tree and threshold idea Wang et al. proposed an efficient group key agreement protocol (TTS) and claimed that their protocol is secure.

基于树结构与门限的思想，王志伟等人提出了一个高效的组密钥协商协议(TTS协议)，并认为他们的协议是安全的。

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The group key management problems this thesis studies mainly include energy-saving multicast key distribution, secure and efficient group rekeying, and key pre-distribution.

论文重点对节能的密钥分发、安全和高效的组密钥更新以及密钥预分发等组密钥管理的关键问题进行研究。

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Because of that, in order to efficient function, then you group all the like activities together.

所以,为了使各种生理功能更加高效化,你就得把各种相似的生命活动分在一起

耶鲁公开课 - 生物医学工程探索课程节选

Skeptics say doctors should be able to care for many more patients in the future with more efficient group practices, greater reliance on physician assistants and nurse practitioners, and "telemedicine" done via the phone and online.

WSJ: Squeeze Looms for Doctors

In 2004 an official study group said efficient water management through micro-irrigation could help many save on fertilizer and labor, as well as the precious liquid itself.

FORBES: Magazine Article

One pathway, known as the ventral route, is direct and efficient: We see a group of letters, convert those letters into a word and then directly grasp the word's meaning.

WSJ: How E-Readers Change the Way We Read | Head Case by Jonah Lehrer