Analysis on the principle of direct login to CNKI master thesis Database

Analysis on the principle of direct login to CNKI master thesis Database
The regional distribution of the CNKI master thesis database is different from the full-text database of academic journals. The latter has 11 data exchange centers in China Telecom, North China, northwest China, Northeast China, East China north, military, education, central China, South China, southwest China, and South China, the military data exchange center is not open to the outside. Generally, we can use 10 Data exchange centers. When querying the full text of academic journals, if the maximum user of a data exchange center is full, you can switch to another data exchange center. If you are lucky, you can log on to it. Although CNKI's master thesis database also has 10 corresponding Portals like academic journal full text database, the master thesis data is actually only stored in Beijing. According to the IP address, there are only two data exchange centers. The verification result is as follows:
(Beijing) http: // 202.205.11.142/cdmd/checkuser. asp? Username = syahnydx & Password = ahnydx

(Telecom) http: // 202.205.11.142/cdmd/checkuser. asp? Username = SGDN & Password = kdsx36

(Xi'an) http: // 202.205.11.141/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Shanghai) http: // 202.205.11.141/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Northeast) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Nanjing) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Wuhan) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Guangzhou) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(Chengdu) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

(CERNET) http: // 202.205.11.142/cdmd/checkuser. asp? Username = GDN & Password = kdsx36

Therefore, if you use CNKI to query the master thesis, "the maximum number of user logins is full. Please try again later ."
Log On again (login again please !) There are not many chances to successfully log on to another data exchange center.