目前国内大多数数字参考咨询服务系统的功能还不尽完善，有些系统没有实时咨询模块，有些系统则缺乏完整的常见问题库或没有专家调度。

Functions of most domestic DRS systems are not perfectly developed at present. Some DRS systems have no real-time module, lack of well-developed FAQ database or short of expert-dispatched.

youdao

目前国内大多数数字参考咨询服务系统的功能还不尽完善，有些系统没有实时咨询模块，有些系统则缺乏完整的常见问题库或没有专家调度。

Functions of most domestic DRS systems are not perfectly developed at present. Some DRS systems have no real-time module, lack of well-developed FAQ database or short of expert-dispatched.

youdao