Eng: Break down the

將系統內部發生的變化分解

Break down the changes that go on inside the system

將系統內部發生的變化分解為

Break down the changes that go on inside the system into

將代表那套動作的模型分解

Break down the model representing that set of movements

逐步拆解問題

Break down the problem step-by-step

將系統分解

Break down the system

分解系統

Break down the system