深入 (shēn rù) = Deep/In-depth/Thorough
理解 (lǐ jiě) = Understanding/Comprehension
机器学习 (jī qì xué xí) = Machine learning
从 (cóng) = From
原理 (yuán lǐ) = Principles/Theory
到 (dào) = To
算法 (suàn fǎ) = Algorithm/Algorithms