However, it should be acknowledged that some changes, such as those relating to system qualities such as performance or reliability, cannot be isolated in this way.

但是我们应该承认，有一些变化，例如关系到系统质量，如实现性和可靠性，是不能用这个方法隔离的。

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Nevertheless, the system is crudely efficient, merchants can all easily access factories, and the factories in this geographically isolated city now have sales networks that span the globe.

不过这种系统的效率还算高，商家们都能很容易的联通工厂，而且这个地理位置孤僻的城市现在拥有遍布全球的商业网络。

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Key to system is the idea of a "principal", which in this case is the triple of protocol, domain-name, and port. Each combination is isolated from any other combination at the process level.

Principal由协议、域名以及端口三部分组成，在进程级别不同的组合之间互相隔离，它是整个系统的关键部分。

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"In this instance the attack was identified, the system was isolated, and there is no indication whatsoever that any exfiltration of data took place, " the official said.

CENTERFORSECURITYPOLICY: Center For Security Policy