1. If you are at school, you can inquire, read and download in the university library for free, because the school has already paid for it.

If you are not in school, you must find a free one.

Extended data:

China hownet service model

1, network service

Network service is mainly after-sales service provided to the majority of CNKI users with the network as the main medium. The content of network service includes: customer service area of website, communication service of BBS forum and topic selection consultation service.

2. Remote service

Remote service is a service provided by Tsinghua Tongfangzhiwang (Beijing) Technology Co., Ltd. in order to improve the service quality for users.

Remote service is a service mode in which the user's CNKI mirror server is connected with the company's remote service computer through remote access tools, operated by the company's technical service engineers, and coordinated by the user's technical engineers, and the KNS (knowledge network service platform) mirror site can be quickly eliminated by means of screen sharing, remote access and file transmission.

3. On-site service

The door-to-door service is completed by the customer service engineer of the customer service center of Tsinghua Tongfangzhiwang (Beijing) Technology Co., Ltd. The door-to-door service includes four forms: door-to-door training, door-to-door return visit, door-to-door data maintenance and door-to-door system maintenance. Users can call the service hotline or the local office to get on-site service when they need engineers to solve the problem.

Baidu Encyclopedia-China HowNet