The system is known as NASDAQ, short for the national association of security dealer automatic quotation.

这个系统就是大家所知道的全美证券交易商自动报价系统协会。简称为NASDAQ。

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Beginning with the insecurity factors of the automatic network system of libraries, this paper elaborates in details the importance and concrete measures for the security management of the system.

从图书馆自动化网络系统的不安全因素入手，详细阐述了系统安全管理的重要性及具体措施。

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Automatic generation control (AGC) and security constrained dispatching (SCD) are both the crucial measures to keep power system secure, economical and of sufficient quality.

自动发电控制(agc)和安全约束调度(SCD)均是确保电力系统安全、优质、经济运行的重要手段。

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