求翻译：然而多功能产品的流行，并不意味着产品功能可以盲目的增加，产品多功能化需要理论分析，需要科学的设计方法，需要理性的评价方法。是什么意思？

The popularity of multi-function products, however, does not mean that the product features can be blind to increase product multi-functional theory analysis, the need for scientific methods, the need for a rational evaluation method.

However multi-functional products, the popular function of the product does not imply that the increase can be blindly products, multi-function needs to be theoretical analysis, and requires scientific design methods, requiring rational evaluation methodologies.

However the multi-purpose product unpopularity, did not mean the product function may the blind increase, the product multi-purpose need the theoretical analysis, needs the science the design method, needs the rational assessment method.

Popularity of multifunction products, however, does not mean that the product features can be blindly increasing, multi-functional needs analysis requires scientific design methods, needs a rational evaluation methods.

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