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。
Because of the same theory basis and similar curve shape of product life cycle and industry life cycle, people are likely to mix them up.
由于产业生命周期和产品生命周期有共同的理论基础及相似的生命周期曲线形状和阶段划分名称，人们易把两者相混淆。
The second chapter mainly discuss the foundation of the product pricing theory , the character of product under the different of the Product life cycle and pricing strategy.
第二部分主要阐述产品定价的基础理论，产品所处生命周期的的特征及定价策略；
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