第 1 部分：XML Schema 1.1 简介（2008 年 12 月）：检查一个特性概述，包括数据类型的添加和更改。

Part 1 (December 2008): Check out an overview of features, plus the additions and changes to datatypes.

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本文概述了VHDL的高级抽象模型，并对VHDL中支持和表示此模型的语言基础作了简介。

In this paper, the VHDL high level abstract model is outlined, and the language basics in VHDL which can be used to support and represent this model are introduced.

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对各种大功率半导体激光器光纤耦合技术进行了简介和比较，并对国内外同类产品进行了概述与展望。

Various kinds of high-power fiber coupling LD technologies are introduced and compared, and the future development products are given.

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