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- In this paper, we discussed the transition selection rule of electrical dipole radiation in atom physics by the parity theory and angular momentum theory in quantum. 本文利用量子力学的宇称理论和角动量理论，对原子物理学中所熟知的电偶极辐射的跃迁选择定则进行了理论探讨。
- We were seized by a sudden impulse to run. 我们身不由己突然想跑。
- His irresistible impulse to set fire to shoe shop. 他放火烧鞋店的不可抗拒的冲动。
- He bought the house on an impulse. 他凭一时冲动买下了这所房子。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- The sledge gained momentum as it ran down the hill. 雪橇从山上下冲时动量越来越大。
- I entirely approve of that theory. 我完全赞成那种理论。
- An irreversible momentum toward open revolution. 朝向公开革命不可逆转的势头
- If the impulse is zero, there is no change in momentum. 如果冲量为零，则动量不变。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- He felt an irresistible impulse to jump. 他突然有个无法抗拒的冲动，想跳下去。
- My uncle bought the house on an impulse. 我叔叔一时冲动买下了那房子。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- Strong forward momentum; driving force. 强大的前动力; 推动力
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- The struggle for independence is gaining momentum every day. 为独立而斗争的势头日益增长。
- Her theory was quoted without an acknowledgement. 她的理论被人引用而未向她致谢。
- An irresistible impulse to sneeze. 抑制不住的想打喷嚏的冲动
- A strong creative impulse; divine inspiration. 灵感，神感强烈的创造欲; 神明启示
