2. If your mobile phone doesn't support installing caj reader, you can download documents in pdf format (HowNet provides two document formats for periodical documents), and you can directly use pdf reader.
CAJ stands for China academic journals;
CAJ is also a file format in the full-text database of China academic journals. You can read it with CAJ full-text browser.
China Academic Journals Full-text Database is the largest continuously and dynamically updated China Journals Full-text Database in the world. Accumulated 8 million full-text documents, more than150,000 titles, divided into nine albums and 126 special literature databases. Its knowledge source is the full text of 6 100 core journals and professional journals published publicly in China. The data integrity of 6 100 full-text journals reached 98%.