英语语法分析

Perched on top of the fencing is a network of 900 surveillance cameras to detect intrusions.

围栏顶部是一个由900个监控摄像头组成的网络，用来探测入侵。

Now, for many cases involving governmental intrusions into data, once-lonely privacy advocates find themselves fighting alongside the most powerful company in the world.

如今，就许多涉及政府入侵数据的案例而言，那些曾经单打独斗、为隐私而战的倡导者发现他们与世界上最强大的公司一起并肩作战。

We are much more able to "tune out" chronic background noise, even if it is quite loud, than to work under circumstances with unexpected intrusions of noise.

我们更容易忽略长期存在的背景噪音，即使它非常大声，而不是在有意想不到的噪音干扰的情况下工作。