This is not the crux of the issue, the protection system in the pump only after the failure of a remedy, is a relatively passive approach.
但这并不是问题的关键，保护系统只不过是在泵发生故障后的一种补救办法，是一种比较被动的办法。
A mass of practice prove that it is not enough to ensure the security of network system only depending on traditional passive protection.
大量的实践证明，保障网络系统的安全，仅仅依靠传统的被动防护是不够的。
But that is not the crux of the issue, the protection system at pump only after the failure of a remedy, is a relatively passive approach.
但这并不是问题的关键，保护系统只不过是在泵发生故障后的一种补救办法，是一种比较被动的办法。
The passive crossover network features a thermal protection system on the HF section providing audibly transparent protection for the compression driver.
被动分频网络功能，对热防护系统高频部分提供出声透明的压缩驱动程序的保护。
In this system, active protection and passive protection are combined properly, multiple security protection components cooperate dynamically, and thus it is of great flexibility and extensibility.
该防御系统把被动防御技术和主动防御技术有机地结合在一起，多种安全防御组件间动态协作，具有很好的灵活性和可扩展性。
In this system, active protection and passive protection are combined properly, multiple security protection components cooperate dynamically, and thus it is of great flexibility and extensibility.
该防御系统把被动防御技术和主动防御技术有机地结合在一起，多种安全防御组件间动态协作，具有很好的灵活性和可扩展性。
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