本文遵循产品组合理论、产品生命周期理论及波士顿矩阵理论，采用了理论联系实际、定量分析与定性分析相结合的方法。
The theories of the product composition, life cycle and Bostons matrix are followed. Theory study and investigate study are adopted and quantitative analysis is combined with qualitative analysis.
本论文中所运用的研究方法主要涉及到生命周期学的理论指导、博弈论分析方法、雷达导航定位及SWOT矩阵分析。
Study methods to be used in the dissertation primarily involve life cycle theory guidance, game theory analysis method, radar navigation location, and SWOT matrix analysis.
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.
通过产品生命周期、竞争态势矩阵、波士顿矩阵分析明确了设计的方向，通过价值工程分析对产品进行了改进。
Through an analysis of life period of product, competition state matrix and Boston matrix, the design direction is made clear and through value engineering analysis, product is well improved.
通过产品生命周期、竞争态势矩阵、波士顿矩阵分析明确了设计的方向，通过价值工程分析对产品进行了改进。
Through an analysis of life period of product, competition state matrix and Boston matrix, the design direction is made clear and through value engineering analysis, product is well improved.
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