第二次上课后的作业：W5L2-产品生命周期 -

3中国产业信息网发布的《2015-2020年中国中央空调市场专项调研与投资方向研究报告》指出：随着绿色经济与低碳经济时代的发展，空调行业的技术开发也紧随潮流，呈现出鲜明的新的发展趋势：更高的运行节能性与更低的生产消耗，更完善的舒适健康性，更人性化的使用便利性和智能化。空调技术开发主要围绕以下几个主题：

    变频空调技术，提高节能制冷效率，环境保护，提高舒适性和空气品质，智能化网络控制。

① 变频空调技术② 提高节能制冷效率③ 环境保护和安全性④ 静音化⑤ 高舒适性和室内空气品质⑥ 智能化网络控制

用户使用情况:随着社会的发展，城乡结构以及政策的调整，政府对于农村问题的关注，近年来农村整体生活水平有所提高，食品类家电类纷纷得到

普及提升，空调作为区分电视等普通家电的高档家电，也得到一定的普及，放眼望去，大多数房屋外都挂有空调压缩机。但使用情况不大乐观。

价格:1500以上不等

销量:

图片发自App

市场变化:

图片发自App

图片发自App

The product cycle is an economic theory that was developed by Raymond Vernon in response to the failure of the Heckscher-Ohlin model to explain the observed pattern of international trade. The theory suggests that early in a product's life-cycle all the parts and labor associated with that product come from the area where it was invented. After the product becomes adopted and used in the world markets, production gradually moves away from the point of origin. In some situations, the product becomes an item that is imported by its original country of invention.[1] A commonly used example of this is the invention, growth and production of the personal computer with respect to the United States.

response 响应  imported  输入；进口

personal computer个人电脑

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