求翻译：主要实现以下功能：注册，用户登录，查询房产信息，后台登录，维护，查看销售信息，后台管理、修改密码、管理用户，管理所有的房产信息、对房产数据进行添加、修改、删除等操作。是什么意思？

The main achievement of the following functions: registration, user login, query, real estate information, background, log maintenance, view sales information management background, change passwords, manage users, manage all real estate information, real estate data add, modify, delete and other ope

Major implements the following features: user registration, login, and real estate information, background check login, maintenance, sales information, the background management, Password to modify, manage users, manage all property information, and to real estate data to add, modify, delete, and so

Mainly realizes following function: The registration, the user registers, the inquiry real estate information, the backstage registers, maintains, examined the sales information, the backstage management, the revision password, the management user, increase, revision, deletion to the real estate dat

Realization of the following major features: registered users log on, query property information, back log, maintenance, view sales information, manage, modify passwords, manage users, management of all real estate information, real estate data to add, modify, delete, and so on.

正在翻译，请等待...