系统辨识是从观测到的输入输出数据中建立动态系统数学模型的科学与艺术。
The only limit to our realization of tomorrow is our doubts of today.
Life is a series of choices, and the hardest ones are the ones that matter.
我是音乐界的头号人物。这意味着任何活着的人都是第二名。