Based on this model, a multipoint linear fitting correction algorithm is proposed. 基于该模型，提出了一种多点线性拟合校正算法。
To conduct a multipoint document conference using a teleconferencing service provider, conference leaders need to call and reserve dates and time for the conferences. 利用远程会议服务供应商来开多点文档会议，会议主持者需要打电话预定会议的日期和时间。
