WeChat public platform has played an important role in science popularization. This paper is based on the data obtained from 10 science popularization WeChat public accounts with many fans and a high degree of activity. From the perspective of relevance theory, combining the content analysis and thematic analysis methods, a form-and-content comparative analysis of the top 5% and bottom 5% of the article titles in each official account is carried out to summarize the title features of hot articles. It is found that the titles of hot articles are mostly headlines and have diverse expressions and emotional appeal, which make their ostension more attractive. At the same time, the title content of the hot articles pays more attention to the latest issues and unusual facts and has high proximity in terms of geography, benefit and psychology. The above characteristics improve the contextual effects and reduce cognitive efforts, helping to boost online reading frequency.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |