2. Special issue: In English, it is a special issue.
Problem. It can't be said that the special issue is worse than the regular issue. The purpose of the special issue is to discuss Huashan's sword in view of a current research hotspot, so as to attract attention. Those who publish papers in specialized journals generally do better in this field. The difference between a special issue and a general issue is that the period of publishing papers is shorter, mainly around a certain topic. Because it takes up publishing space, it can be regarded as the root.
3. Supplement: The conference uses the reputation of journals to attract contributions. Then the journal is afraid that such conference articles will affect its reputation, so it is called a supplement. Foreign language supplements are represented by "ONS".
1, periodical: normally published every six months/every two months/every quarter/every six months.
2. Special issue: a special issue published in an academic field, such as an important breakthrough in brain surgery and a breakthrough in the study of the uplift of the Qinghai-Tibet Plateau. Some special issues are published by a research group, and the whole book is published by them.
3. SUPPlement: based on academic conferences or other special topics, add one issue, Supp type, which may be much thicker than the main issue and have a large number of articles.