徐博士 · 中国科技大学物理学士 · 宾夕法尼亚大学物理博士
Dr. Xu · USTC Physics B.S. · UPenn Physics Ph.D.
数学、物理与竞赛课程，从基础巩固到高阶备赛。
Math, physics, and competition courses—from strong foundations to advanced preparation.
徐博士的使命，是帮孩子打牢数学和物理的基础，找到学习的兴趣——不仅提高学校成绩，也为竞赛做好充分准备。我们相信，真正的理解比死记硬背走得更远。从小学到大学，徐博士以博士级的专业功底，把复杂的概念讲简单、讲透彻，陪伴每一位学生从“听懂”走向“精通”。
Dr. Xu's mission is to help students build a solid foundation in math and physics and discover the joy of learning — improving school performance while preparing for competitions. We believe true understanding goes further than rote memorization. From elementary school through college, Dr. Xu brings PhD-level expertise to make complex concepts clear and accessible, guiding every student from comprehension to mastery.
物理学学士
Bachelor's degree in Physics
物理学博士
Ph.D. in Physics
博士后研究
Postdoctoral research
物理 I / II / C、微积分 AB / BC 与高中竞赛
Physics I / II / C, Calculus AB / BC, and high-school competitions
按数学、物理和竞赛选择方向；每类课程由基础到进阶排列。具体开课日期、班型与学费请直接咨询。
Choose Mathematics, Physics, or Competitions; courses in each category are ordered from foundational to advanced. Contact Dr. Xu for current dates, formats, and tuition.
根据学生当前年级和基础，巩固数感、运算能力与应用题思路，为后续数学学习建立扎实基础。
Build age-appropriate number sense, computational fluency, and word-problem strategies for stronger progress in later mathematics.
巩固数感、比例、整数与分数运算，建立从算术过渡到代数的解题习惯。
Strengthen number sense, ratios, integer and fraction operations, and the habits needed to move from arithmetic into algebra.
系统学习方程、不等式与函数，提升符号运算、建模和多步问题的表达能力。
Develop fluency with equations, inequalities, and functions while improving symbolic reasoning, modeling, and multi-step solutions.
通过图形关系、定理与证明，建立严谨的空间思维和清晰的推理表达。
Build rigorous spatial reasoning and clear mathematical arguments through figures, theorems, and proofs.
打牢力学与基础物理概念，用图像、受力分析和定量推理解决综合题。
Build a strong foundation in mechanics and core physics through diagrams, force analysis, and quantitative reasoning.
以微积分为工具，系统完成 AP Physics C Mechanics 力学内容，强化推导、建模与考试表达。
Use calculus to complete the AP Physics C Mechanics sequence with rigorous derivations, modeling, and exam-ready solutions.
以微积分为工具，系统学习电场、电势、电路、磁场与电磁感应，强化建模、推导和考试表达。
Use calculus to study electric fields, potential, circuits, magnetism, and induction with rigorous modeling and exam-ready solutions.
把极限、导数与积分连成完整知识体系，并训练规范的计算与解释。
Connect limits, derivatives, and integrals into one coherent framework with precise calculation and explanation.
按美国大学数学系常见课程体系，辅导从单变量微积分到概率与统计的核心课程。
Tutoring across the standard U.S. university mathematics sequence, from single-variable calculus through probability and statistics.
围绕代数、几何与计数，建立识别题型、拆解条件和高效验证的习惯。
Develop pattern recognition, condition parsing, and efficient checking across algebra, geometry, and counting.
结合 AoPS 课程与题目训练，强化数学思维、解题策略和清晰表达。
Use AoPS coursework and problem sets to strengthen mathematical reasoning, solution strategy, and clear communication.
完整覆盖 AP Physics 1 / 2 的力学、热学、电磁学、光学、波与流体，并以集中刷题收尾。
Cover the full AP Physics 1 / 2 sequence—mechanics, thermal physics, E&M, optics, waves, and fluids—then finish with intensive practice.
聚焦 AP Physics C Mechanics 范围，以完整力学体系与后半程集中刷题衔接美国物理奥赛选拔。
Build the full AP Physics C Mechanics foundation, then shift to intensive problem practice for the U.S. Physics Olympiad qualifying path.
从图像、物理意义与边界条件出发，再选择公式和方法。
Begin with diagrams, physical meaning, and boundary conditions before choosing equations.
识别题目结构，把复杂问题分成可验证的小步骤。
Recognize structure and turn complex problems into verifiable steps.
课后作业配合讲评，定位概念误区与表达漏洞。
Homework and review expose conceptual gaps and improve solution communication.
咨询时请提供学生年级、目前数学/物理基础和目标课程。徐博士会回复合适的班型、时间与学费。
Include the student's grade, current math/physics level, and target course. Dr. Xu will reply with suitable formats, times, and tuition.