小巴桑次仁 | 张平文 https://www.math.pku.edu.cn/pzhang/zh/authors/basang-tsering/ 小巴桑次仁 Wowchemy (https://wowchemy.com)zh-Hans https://www.math.pku.edu.cn/pzhang/zh/authors/basang-tsering/avatar_hu637fe1c19bee369687afeebc56762e40_23803_270x270_fill_q75_lanczos_center.jpg 小巴桑次仁 https://www.math.pku.edu.cn/pzhang/zh/authors/basang-tsering/