It also introduces the function upgrade plan of the air conditioner with multi-units.

同时简单介绍了多联中央空调的功能升级方案。

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Tourism product characteristics study provides realistic guidance and reference for tourism product planning and destination function upgrade of Jinggang mountain and other red tourism destination.

旅游产品特性研究对于井冈山及其他红色旅游地的旅游产品规划设计和旅游地功能提升具有一定的现实指导与借鉴意义。

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Tourism product characteristics study provides realistic guidance and reference for tourism product planning and destination function upgrade of Jinggang mountain and other red tourism destination.

旅游产品特性研究对于井冈山及其他红色旅游地的旅游产品规划设计和旅游地功能提升具有一定的现实指导与借鉴意义。

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