For example, a periodical is scheduled to be published in June this year. As it also belongs to the above-mentioned priority periodicals, we can consult it in the periodical library before June this year, perhaps in February and March.
Exclusive authorization means that the author only authorizes China HowNet (and, of course, the paper publishing house), which cannot be found in other databases such as Wanfang.
If it is still unclear, please check the entry/view/5992727.htm.