介绍了蔗糖脂肪酸的性质及其应用，概述了它的主要分析方法及各自的特点。
The properties and applications of sucrose fatty acid esters have been presented in the article. Its analysis methods and features of these methods have also been summarized.
主要分析方法：PEST外部因素分析法、波特五种力量模型、生命周期分析法、SWOT矩阵分析法。
The main research tools: the analysis of PEST external factors, Michael Porter 's Five factors Model, Life cycle analyses, and SWOT matrix.
在电力系统静态安全分析中，静态N - 1支路开断模拟的主要分析方法有直流潮流法、补偿法以及灵敏度分析法等。
In static security analysis, the principal methods for static N-1 branch outage simulation include DC power method, compensation method and sensitivity analysis method.
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