How develop the unemployment's this dual character finally to the positive sense of the economical movement, the key measure is to establish an effective unemployment safeguard system.
如何使失业的这种两面性最终体现为对经济运行的积极意义，关键在于建立一个有效的失业保障制度。
As a very important safeguard measure preventing catastrophic failures to happen, the safety technology of distributed mission critical real time system has become a hot topic.
防危技术是保障分布式任务关键实时系统正常运行，防止其发生灾难性事故的主要手段，已成为实时系统研究的热点课题。
Some research point out, the majority of network security threatens from the system interior, so we are urgent need to use one kind of new measure and the technology safeguard the network security.
有研究指出，大部分的网络安全威胁来自系统内部，因此，我们迫切的需要采用一种新的措施和技术来保障网络的安全。
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