pion是什么意思
- 英式英标[\'paɪɑn]
- 美式音标[\'paɪɒn]
n. 介子
n. (Pion)人名；(法、俄、罗)皮翁
英文词源
- pion (n.)
- 1951, from Greek letter pi + -on.
实用例句
- 1. Two photons are created in the decay of the neutral pion.
- 双光子是在中性兀介子衰变中产生的.
来自辞典例句
- 2. During its brief existence, the pion carries momentum from one nucleon to the other.
- 在它短暂的存在期间内, 它将动量从一个核子带到另一个核子.
来自辞典例句
