擅闯白宫国宴除需要一些勇气外，显然还要突破重重安全防线。
Crashing a state dinner at the White House apparently takes a security breakdown as well as some kind of nerve.
铁路车站安检工作是查危防爆安全防线上的重要一环。
The security check at railway stations is an important section in the line of defence against dangers and explosion.
IDS为支持无线访问的网络提供了一个道额外的安全防线。
IDS offers an extra safe defense-line for supporting wireless network.
安全防线前移到现场，安全重心下移到区队班组，安全教育亲情自移到个人。
Reach of safe line of defence arrives the spot, division group team and group moves below safe centre of gravity, safe education close circumstances changes oneself individual.
另一方面，黑客攻击、病毒传播以及形形色色的网络攻击日益增加，网络安全防线十分脆弱。
On the other side, hacker attack, virus spreading and mixed network attacks add increasingly, so that the network security defensive line is full frailness.
从安全系统来看，外人根本就没法突破其安全防线，只有内部特种人员可以毫无阻挡地通过安全防线。
Based on the security system, only its own agents could pass the invulnerable security shelter without problem.
文中阐述中国当前网络信息安全面临严峻的威胁，分析危及网络信息安全的主要因素，并提出构筑网络信息安全防线的具体措施。
This paper describes some serious threats that our country is faced in current network information safety, then it analyzes the main factors put.
紫外线、污染、毒素时时刻刻在伤害着皮肤，最好的办法就是内外结合为肌肤建立一道安全防线，让肌肤细胞在健康安全的环境中成长。
Ultraviolet radiation, pollution and toxin are harming the skin all the time, the best way is building a safe defensive line for skin inside-out, let skin cell grow in a healthy and safe environment.
双方主要的合作领域是车载atp系统，和利时的文件称这一系统安装在高铁列车的车头和车尾，为列车起到“最后一道安全防线”的作用。
The main cooperation was on the onboard ATP system, which Hollysys documents describe as components in the nose and tail of trains that act as its' last line of defense in safety.
双方主要的合作领域是车载atp系统，和利时的文件称这一系统安装在高铁列车的车头和车尾，为列车起到“最后一道安全防线”的作用。
The main cooperation was on the onboard ATP system, which Hollysys documents describe as components in the nose and tail of trains that act as its' last line of defense in safety.
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