选址对于零售企业来说，其重要性显而易见： 一项战略投资，关系到零售店的兴衰 零售店的一项可持续的特色或优势，即地利所在 零售企业的经营战略要依其商圈而定 唯一一项不可模仿的优势 -Location for retail enterprises, its importance is obvious: a strategic investment, related to the rise and fall of retail outlets or the character

To analyse and identify the fall accident accurately smart phone is used as the platform of the system. The tri-axial accelerometer as well as the voice capturing device will be used to generate primitive input signal. The acquired input signal will