| 释义 |
pi·on 英ˈpaɪˌɒn美ˈpaɪˌɑnAHDpīʹŏn' 高COCA⁵⁷⁹⁹⁶BNC⁴⁷²¹⁴iWeb⁴⁷³⁵¹
基本英英近义反义例句例句
n.π介子复数pions
Noun:
a meson involved in holding the nucleus together; produced as the result of high-energy particle collision近义词 pi-meson兀介子
名词100%
用作名词Two photons are created in the decay of the neutralpion.双光子是在中性兀介子衰变中产生的。 Dr Learned and Dr Zee have come up with a design for a particle accelerator that would do the job a good deal more modestly, using another type of subatomic particle, the pion, as an intermediary.
伦德博士和徐博士已经提出一种粒子加速器的设计，用小得多的适宜能量就能把此项工作做好，它采用的媒介是另一种亚原子粒子——介子。 ecocn
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。 jukuu
The result indicates that the cut- of if one pion exchange can produce the long distance interaction in the model and the result is more agreed with the experiment data than before.
计算结果表明，通过引入带有短程截断的单万介子交换，可以弥补原有模型中长程相互作用的缺乏，大大改善了理论结果与实验数据的符合程度。 cnki
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。 dictall |