w5l2-产品生命周期

雪糕生命周期的产品开发:寻找并购买原料,原料再加工,研发并制作各种口味的雪糕,包装,出厂

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Product Life Cycle Theory

The main idea is that the product cycle is an economic theory which explain the observed pattern of internation trade.The theory suggest that the product's life cycle all the parts and labor associated with product.

关键词:internation trade                  personal computer      maturing product      comparative advantage    foreign demand    standard product

文章链接:

https://en.m.wikipedia.org/wiki/Product_life-cycle_theory

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