For AI scenarios, it refers to the re-implementation of core logic from high-level user-friendly languages (Python) to low-level high-performance languages (C++)."AI": the field of artificial intelligence;"Low-level": the low-level features of the target language (C++), such as being hardware-close, high-performance, and system-level;"Refactoring": re-implementing in a way more suitable for the scenario while keeping the functional logic unchanged.C...