1. It is necessary to determine the distribution channels of this popular science article, such as official website, WeChat official account and news media. For each distribution channel, you need to know the subscription, browsing, forwarding and other data of this channel.
2. According to the data of the distribution channel, calculate the number of people who spread popular science articles in this channel. For a popular science article, different times of dissemination are calculated according to different distribution channels, and the total times of dissemination of the popular science article are obtained by adding the times of dissemination of all distribution channels.
3. Fill in the total number of people who spread this popular science article in the corresponding statistical table.