英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

lowland    音标拼音: [l'ol,ænd]
n. 低地,苏格东南部的低地
a. 低地的

低地,苏格东南部的低地低地的

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • List of network protocols (OSI model) - Wikipedia
    This article lists protocols, categorized by the nearest layer in the Open Systems Interconnection model This list is not exclusive to only the OSI protocol family Many of these protocols are originally based on the Internet Protocol Suite (TCP IP) and other models and they often do not fit neatly into OSI layers
  • Higher-layer Protocols
    Higher Layer Protocols • The OSI reference model defines three layers above the transport: • Session layer • Presentation layer • Application layer • Typically implemented within an application or library, rather than within the kernel • Relatively ill-defined boundaries between layers • Goal – support application needs:
  • Protocol Layering - University of Cambridge
    protocol is a set of rules and formats that govern the communication between communicating peers what if link goes down? what if not-OK message itself is corrupted? What does a protocol tell us? what fields does it contain? in what format? what does a message mean? (what is the SDU header?)
  • Protocol Layers and the OSI Model - Oracle
    Protocol Layers and the OSI Model Most network protocol suites are structured as a series of layers, sometimes referred to collectively as a protocol stack Each layer is designed for a specific purpose Each layer exists on both the sending and receiving hosts
  • The OSI Model – The 7 Layers of Networking Explained in Plain . . .
    “A protocol defines the rules governing the syntax (what can be communicated), semantics (how it can be communicated), and synchronization (when and at what speed it can be communicated) of the communications procedure Protocols can be implemented on hardware, software, or a combination of both
  • What is OSI Model? - Layers of OSI Model - GeeksforGeeks
    As the OSI Model consists of 7 layers, each layer has its specific role, and due to which it helps in understanding, identifying and solving the complex network problems easily by focusing on one of the layers not the entire network
  • List of IP protocol numbers - Wikipedia
    This is a list of the IP protocol numbers found in the 8-bit Protocol field of the IPv4 header and the 8-bit Next Header field of the IPv6 header It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header





中文字典-英文字典  2005-2009