UML提供了一系列的图支持面向对象的分析与设计，其中(13)给出系统的静态设计视图；(14)对系统的行为进行组织和建模是非常重要的；(15)和(16)都是描述系统动态视图的交互图，其中(15)描述了以时间顺序组织的对象之间的交互活动，(16)强调收发消息的对象的组织结构。

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(80)

(71) In the strength of the carrier signal is varied to represent binary 1 or 0.

  (72) is a system that can map a name to an address and conversely an address to an name.

  (73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol

  (74) is an approach that enables an ATM Switch to behave like a LAN switch.

  (75) is an guided media which is made of glass or plastic and transmits signals in the form. of light.

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(74)

(75)

(72)