Passwords are the administrator's first line of defense against unauthorized use of system resources.

密码是管理员用于对付未经授权使用系统资源的第一道防线。

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Wool and graduate student Ohad Ben-Cohen designed their two-phase program as a new line of defense for the Linux operating system.

Wool教授和研究生Ohad Ben - Cohen设计的两阶段程序作为防护Linux操作系统的一个新方向。

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Lymphatic and mononuclear phagocyte system is the body of the second line of defense.

淋巴和单核吞噬细胞系统是机体的第二道防线。

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He rejected "as false the choice between our safety and our ideals" and moved to restore the law-enforcement system as the first line of defense against a hardened enemy devoted to killing Americans.

CENTERFORSECURITYPOLICY: My Gift to the Obama Presidency

Other Kim family members control the capital's defense system and the assorted front-line units stationed near the DMZ.

CENTERFORSECURITYPOLICY: The House of Kim

But Dr. Wu said he is concerned that when it comes to health-care workers, the city's public-health system its first line of defense is less well-equipped.

WSJ: Hong Kong Steps Up Bird-Flu Measures