然而，多数包过滤是不分国家的，它们只懂得低级协议，难以配置和验证。
However, most packet-filters are stateless, understand only low-level protocols, and are difficult to configure and verify.
选择网络传输方法，并在低级协议(如套接字、RMI、URL和文件等等)之中选择。
Select network transport method, choosing among low-level protocols such as sockets, RMI, URLs, files, and so on.
这使得公司能够描述它们的服务，也使得客户能够按标准方法消费服务，而不必对有关较低级别的交换协议(绑定)，如SOAP，了解很多。
This enables companies to describe their services and enables the client to consume the services in a standard way without knowing much on the lower level exchange protocol (binding) like SOAP.
在本系列文章的第1部分中，我们研究了Twisted的低级方面，比如定义定制协议。
In Part 1 of this series, we looked at the low-level aspects of Twisted, such as defining custom protocols.
如Meeraj之前所说，SCA还提供了协议抽象，这样在远程调用时代码就无需处理低级的传输层api。
As Meeraj mentioned previously, SCA also provides protocol abstraction so that code does not need to deal with low-level transport APIs when making remote calls.
与JAX - ws为web服务应用程序抽象soap协议的低级细节类似，JAX - RS将REST开发抽象为POJO编程和基于注释的配置。
Much like JAX-WS abstracts the low-level details of the SOAP protocol for web service applications, JAX-RS abstracts REST development to POJO programming and annotation based configuration.
它在网络协议中是最低级的层次成分，而TCP/IP协议是与硬件无关的。
This is the lowest component layer of the Internet protocols, as TCP/IP is designed to be hardware independent.
从逻辑上看，UNET低级库是一个建立在UDP之上的网络协议栈。它包括一个“网络”层和一个“运输”层。
Logically, the UNET low level library is a network protocol stack built on top of the UDP, containing a "network" layer and a "transport" layer.
它管理所有与特定数据库协议有关联的低级逻辑。
It manages all of the low level logic associated with the specific data base protocols.
你知道你会明白，与你自己达成协议，如一个“整体”一样你就会坚定的站在你的“光”中，不要让那些低级的能量成为你的主宰。
Yet... REMEMBER... you KNEW that you would recognise it and you made a pact with yourselves as ONE that you would hold strongly in your LIGHT so as not to let such a low energy become master to many.
你知道你会明白，与你自己达成协议，如一个“整体”一样你就会坚定的站在你的“光”中，不要让那些低级的能量成为你的主宰。
Yet... REMEMBER... you KNEW that you would recognise it and you made a pact with yourselves as ONE that you would hold strongly in your LIGHT so as not to let such a low energy become master to many.
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