课件分享:https://pan.baidu.com/s/1X7YRm_6x5iWW2aDv0QzX5w
提取码:7nkq
视频回放:https://meeting.tencent.com/v2/cloud-record/share?id=4ffb1ebd-4b27-4333-8276-336183d112b7&from=3&is-single=false&record_type=2
访问密码:NHM8