Use Case Design Step 3: Simplify sequence diagrams using subsystems (optional).

用例设计第3步：用子系统简化序列图(可选)。

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This latest Mini 10 blends new Atom technology from Intel with a slimmer, trimmer design, and a few optional features that expand its repertoire of capabilities.

这款最新的迷你10，将英特尔最新的Atom技术与更薄，更紧凑的设计，以及一些可选特性相结合，增强了笔记本的性能。

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Service design - where policies must require to define service scope and boundaries as well as identify the set of mandatory and optional elements of.

服务设计——这里的政策一定要求定义服务范围，边界以及标识服务描述和服务契约的必备元素和可选元素。

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With a beautifully simple brushed-aluminum design and optional backlit keyboard, the HP ENVY m4 PC features a 14-inch diagonal HD display and third-generation Intel Core processors that deliver a rich visual experience and a burst of speed for heavy processing tasks.

ENGADGET: HP planning to launch an enterprise-friendly tablet 'soon'

The GL's 2013 updating brings along Mercedes's current spread-wing dash design, with standard Eucalyptus or optional burled-walnut wood veneer flowing into the doors' wainscoting.

WSJ: 2013 Mercedes-Benz GL350 BlueTec Review: A Quiet-Tuned Land Megayacht | Rumble Seat by Dan Neil