求翻译：本文从产品的人性化设计切入，通过网络及市场调查分析现有盲人手表设计的优缺点，以及盲人在使用手表时的场合、体验，情感需求，功能需求，完善设计方案是什么意思？

This article from the insertion of the humanization design of product, through the network and the advantages and disadvantages of market investigation and analysis of the existing design of watches for the blind, and the occasion, experience when used in watches for the blind, emotional need, funct