First, that security depends on a combination of technology and policy; and second, that no system is ever totally secure.
第一，安全依赖于技术和政策的联合体。第二，永远没有完全安全的系统。
At the time when the global TB targets were set in 1991, no system existed for measuring the global burden of this disease.
1991年确定全球结核指标时，不存在任何衡量这一疾病的全球负担的系统。
It's also important to perform extensive load testing under a full load to verify that there is no system or performance degradation over time.
在满负荷下执行广泛的负载测试，验证一段时间内没有系统和性能降低也很重要。
The Inca had no system of hieroglyphic writing, as the Maya did, and any portraits that Inca artists may have made of their rulers were lost.
印加人没有发明象形文字，不像玛雅人，而印加的艺术工匠即便画过君王的肖像，也已遗失殆尽。
When running the 64-bit AIX 5l kernel at the 5300-04 technology level on POWER5 + processor-based systems, support for 64-kilobyte page sizes is automatic, requiring no system configuration or tuning.
当在基于POWER 5 +处理器的系统上运行5300-04技术级别的64位AIX5l内核时，对64KB页面大小的支持是自动启用的，不需要进行系统配置或调优。
Although no system is foolproof, this product still increases the odds of finding a wayward pet.
当然没有万能的系统，不过这个产品毕竟可以增加找到任性的宠物的几率。
As long as the system is isolated. In thermodynamics jargon, randomness is called entropy. The third law states that no system can be reduced to 0 K.
前提是系统要孤立。在热力学行话中，混乱程度叫做熵。第三定律断言，没有一个系统能达到绝对零度。
In this article, the prejudice of "no system in Nietzsche's aesthetics" will be announced to be unreasonable, and the inner systematic structure of Nietzsche's aesthetics will be showed.
本文打破“尼采美学没有体系”的成见，着力揭示尼采美学的内在体系结构。
Human beings have acquired the ability to express and explain through "signs" for a long time. But since there was no system formed in the early time, the signs only had some simple meanings.
早在古代，人类就懂得使用“标识”来表达说明，只是早期的标识没有现在的系统而已，仅仅表达一个简单的意思。
No system is 100 percent accurate, and you will find that certain content responds better than others for textual analysis.
没有哪个系统是百分之百准确的，您会发现某些内容对文本分析的响应要好于其他内容。
No system can keep up under all possible attacks, but systems can resist many attacks or rapidly return to usefulness after an attack.
能够在所有可能的攻击下继续工作的系统是不存在的，但是系统可以抵御许多攻击或在受攻击后迅速恢复至可用状态。
No system can keep up under all possible attacks, but systems can resist many attacks or rapidly return to usefulness after an attack.
能够在所有可能的攻击下继续工作的系统是不存在的，但是系统可以抵御许多攻击或在受攻击后迅速恢复至可用状态。
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