Basic knowledge and research methods

Kaiyuan Zheng, Meng Deng, Yang Yu, Jingmei Zhou, Yimei Hou, Lulu Chen, Yuwen Ma, Yonghao Chen, Hong Chen, Xiaoqin Guo, Rongping Luo, Jiamei Liao, Shan Meng, Jing Zhang, Pingping Yan, Yan Zhang, Lifang Hu, Airong Qian, Chong Yin