Open Access

This journal is a peer reviewed, open access journal. Open access funded by China Aerotime Media Co., Ltd. Authors do not have to pay any open access publication fee.
Peer review under the responsibility of Aerotime Media Co., Ltd. on behalf of KeAi Communications Co. Ltd.

Access Rights
All articles published open access will be immediately free for everyone to read, download, copy, and distribute. Permitted third party reuse is defined by your choice of one of the following user licenses/the following user license:

Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND):
Allows users to copy and distribute the Article, provided this is not done for commercial purposes and further does not permit distribution of the Article if it is changed or edited in any way, and provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, and that the licensor is not represented as endorsing the use made of the work. The full details of the license are available at

User Rights
For open access publishing, this journal uses a copyright transfer agreement. Authors will transfer copyright to Aerotime Media Co., Ltd., but will have the right to reuse the article on the terms of their selected end user license, as well as certain scholarly usage rights. For more information about copyright please find the details on

Publishing Schedule
This journal is published quarterly per year.

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