尼噶说，如果有这样的一个系统存在，警员们就可以在桥上拦截到克莱蒙泰并挽救他的生命。
Nigam maintains that had such a system been in place, officers could have intercepted Clementi at the bridge and saved his life.
所以，有这样的可能性：用户虽然通过了身份验证可以登录到一个系统，但是未经过授权，不准做任何事情。
It is possible that through authentication, a user can log in to a system but, through authorization, not be allowed to do anything.
我们也能够为终止测试设定一个标准，但我们没有这样做，因为我们正可视化的监视测试的过程以了解我们的系统有什么样的行为。
We also could have set criteria for halting the tests, but we didn't bother, since we were visually monitoring the progress of the test to see how our system was behaving.
如果我有一个系统，其中在这儿的分子有这样的构型，在其他地方的分子又有这种构型，现在它们改变构型，那是可以区别的状态。
If I've got a system where a molecule over here is in this configuration and a molecule somewhere else is in this one, and now they change configurations, that's a distinguishable state.
例如，如果一个系统调用返回 Err#2ENOENT（没有这样的文件或目录），就表示此命令要寻找一个文件或目录，但是无法找到，因此运行失败。
For example, a system call returning with Err#2 ENOENT (No such file or directory) would indicate that the command is expecting to find a file or directory but can't and subsequently fails.
如果我管理一个同时使用AIX 7.1、6.1和5.3系统的站点，我会把所有这些版本都永久地放在vm库中，这样随时都可以使用。
If I'm working on a site that has a mixture of AIX 7.1, 6.1 and 5.3 systems, I'll have all of those releases permanently in the VM Library, ready to be called up at a moment's notice.
有这样一则老笑话：如果Emacs拥有一款优良的文本编辑器，那么它将是一个优秀的操作系统，相反，如果vi拥有一个不错的操作系统，那么它将是一款非常出色的文本编辑器。
There's an old joke that Emacs would be a great operating system if only it had a decent text editor, whereas vi would be a great text editor if only it had a decent operating system.
很多这种系统都有这样的思想：等价类中的一个名字是真实的正归名字其他的都是别名。
Most of these systems have a notion that one of the equivalent set of names is the canonical or primary name and all others are aliases.
所有这些淡水生态系统可以在一个分水岭中被发现—那是一套可以把比如大湖泊或者海洋这样单一的水域排干的栖息地。
All the freshwater ecosystems can be found within a watershed-a set of habitats that drain into a single body of water such as a big lake or the ocean.
没有这样的分解，在大型系统实现过程中所需要的技术细节可能会超过一个人的理解能力。
Without such a breakdown, the technical details required in the implementation of a large system would exceed a human's comprehensive powers.
没有这样的故障，一个大系统的实施所需的技术细节，将超过一个人的综合能力。
Without such a breakdown, the technical details required in the implementation of a large system would exceed a human's comprehensive powers.
没有这样的故障，一个大系统的实施所需的技术细节，将超过一个人的综合能力。
Without such a breakdown, the technical details required in the implementation of a large system would exceed a human's comprehensive powers.
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