Lu Cheng：Improve Productivity UPH2.3

各位评委，感谢您抽出宝贵的时间来参加2020年度运营LIP评审会，请秉着公平公正的原则，给每个项目打分（1-5分，最佳为5，最差为1）Dear judges, thank you for your time to attend the 2020 LIP assessment meeting. Please rate each project on the principle of fairness and justice (1-5 points , the best is 5, the worst is 1)