旅客服务系统建设的标准化原则是指（    ）

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" calibri;="" mso-hansi-font-family:="" calibri"=""><font face="宋体">统一规划</font></span>

B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" calibri;="" mso-hansi-font-family:="" calibri"=""><font face="宋体">统一人员</font></span>

C、<font face="宋体"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" calibri;="" mso-hansi-font-family:="" calibri"="">统一管理</span><span style="FONT-FAMILY: " calibri","sans-serif";="" font-size:="" 12pt;="" mso-bidi-font-family:="" "times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="">&nbsp;</span></font>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" calibri;="" mso-hansi-font-family:="" calibri"=""><font face="宋体">统一技术标准</font></span>

E、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" calibri;="" mso-hansi-font-family:="" calibri"=""><font face="宋体">统一设备规范</font></span>