二叠纪盆地将在未来几十年内保持美国石油生产的皇冠地位。
波函数不是描述单个系统,而是描述系统的集合。
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.
"The power of storytelling is that it connects us to the humanity of others."