1.2 It is best to send the manuscript in the form of electronic document, in WORD format (with personal introduction and contact information). Please don't submit more than one manuscript. The manuscript will not be rejected, please keep it. The editorial department of this journal has the right to modify the manuscript. Please explain in advance if you don't want to modify it. There is an automatic reply after the submission is sent to the mailbox. If you don't see an automatic reply, please resend it. If you don't see a reply within one month from the date of receiving the manuscript, the author can handle it by himself.