A gate is merely a message that is illustrated with one end connected to the sequence diagram's frame's edge and the other end connected to a lifeline.

一个门只是一个消息，图形表示为一端连接序列图的框架边缘，另一端连接到生命线。

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Summary: From The Rational Edge series of articles, .UML basics, on the essential diagrams in the Unified Modeling Language, this article offers a detailed introduction to the sequence diagram.

简介： 本文来自于 Rational Edge本文作为 UML 基础的、关于统一建模语言的基础图的一系列文章的一部分，提供对序列图（Sequence Diagram，又称为 顺序图）的详细介绍。

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The add_edges method creates an array of edge objects from a sequence of points.

add_edges方法根据一系列的点创建一个edge对象数组。

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But Rangers levelled after a slick passing sequence on the edge of the box broke to Novo and he slotted the ball under Cool.

BBC: SPORT | Football | Europe | Auxerre 2-2 Rangers

From the lengthy opening sequence in which the pre-crime division go about preventing a murder, this is genuine edge-of-the-seat stuff tempered with a healthy dose of dark humour.

BBC: Minority Report cruises ahead