总体作用：
通过使用此APP提高普通展会参加者的用户体验，增加展会洽谈的成功率。提供一套通用的常规的模块符合现今展会的需求。
By using this APP, we can improve the user experience of ordinary exhibition participants and increase the success rate of the exhibition appointments. A common set of modules is provided to meet the requirements of today’s exhibitions.
使用场景：
展前，提供预约配对功能。展中，所有参展人员将按照日程安排参加约见和会议并使用APP了解关于展会的所有信息。
The exhibitors and buyers will use this application to do appointments before the exhibition. Then during the exhibition, all the user can follow the schedule and information in it to attend the appointments and meetings.
使用对象：
展会工作人员，展商，买家，参观人员。
Exhibition orgnizer, exhibitor, buyer, visitor
预期使用人数:
最大2000用户同时在线
2000 users maximum online at the same time.
(备注：为符合展览特性，APP对信息的准确性和实时性要求极高，内部采用混合方式开发，当UI或信息有较大变动时，则自动放弃本地资源，而使用webview方式浏览信息)
( comments: Because of the special feature of exhibition, this application has strong requirement on the accuracy and real time. So it is using mixed development model during construction. When UI or information have big change, the local resource will be abandon and webview model will be enabled for browsing. )
4. APP模块描述（各模块名称，每个模块用一句话概括作用）
展会新闻：
提供一些展会相关新闻
Exhibition News.
预约配对
Appointment service for exhibitor and buyer
日程表：
提示日程信息
Calendar:
Personal schedule during exhibition
消息：
展会服务的系统消息反馈
Inbox:
Receive message and response.
活动：
现场将举办的活动介绍及其报名
Activity:
Apply the onsite activity
会议：
现场将举办的会议介绍及其报名
Meeting:
Apply the onsite meeting
图集：
展会现场的照片集锦
Photo Library: