The first part contains an overview of the causes and significance of papers, the domestic and international trends in the field of research papers and the main content of papers.
文章第一部分为概述，概括介绍论文选题的原因及意义，当前国内外研究该领域的主要趋势及论文研究的主要内容和主要方法。
Monitor the status quoin this paper from the start, through the design of the products on the domestic and international trends analysis, a form of the elements of color and shape design.
本文从监护仪现状入手，通过对国内外产品的设计趋势分析，对之进行造型元素分析和形态色彩设计。
In recent years, natural antioxidants that were used to substitute synthesized antioxidants have become trends of international and domestic research.
近年来，天然抗氧化剂取代人工合成抗氧化物质已成为国内外研究热点。
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