清单3展示了如何在web . xml中配置browseridfilter类，以便过滤器能够截获每个HTTP请求。
Listing 3 shows how to configure the BrowserIdFilter class in web.xml so the filter can intercept every HTTP request.
它的工作更多的象一个透析机，使用薄纤维去截获并清除被过滤的血液中病毒。
It works much like a dialysis machine, using thin fibers to capture and remove viruses from the blood it filters.
典型的油蒸气过滤器所采用的吸附介质为活性炭，它可以将压缩空气中的油蒸气分子截获在其表面。
The typical oil steam filter the adsorption medium is activated carbon, it can be compressed air of the oil on the surface of steam molecular intercepted.
预先过滤的主要作用是截获部分尺寸过大的粒子，并保护最终过滤不被过早的堵塞，以便提供过滤器最大的使用寿命。
The major role of pre-filtration is to capture a portion of the oversized particles and protect the final filtration from premature plugging in order to deliver maximum filter service life.
采用双层过滤的方法克服了单方面从用户态或核心态截获数据包的缺点，极大地提高了系统的安全性能。
Thereby we overcome the shortcoming during . caputuring packet by kernel mode or user mode only greatly improve the system security nature.
采用双层过滤的方法克服了单方面从用户态或核心态截获数据包的缺点，极大地提高了系统的安全性能。
Thereby we overcome the shortcoming during . caputuring packet by kernel mode or user mode only greatly improve the system security nature.
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