实时观察和控制电子运动的能力为理解自然界的基本过程开辟了新领域。
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.
The only thing that can make you happy is your own heart.
"光线不在于你有多少光，而在于你如何使用它。"
The past is a puzzle, and we are all trying to piece it together.
偏差和方差之间的权衡是机器学习中的一个基本概念。