Be the change that you wish to see in the world.
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。
It is a curious fact that strikingly similar formations are found on opposite sides of the Atlantic.
一个有趣的事实是,大西洋两岸发现了惊人相似的地层构造。