乙种粒子

yǐ zhǒng lì zǐ

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释义

1. beta particle (electron, esp. high speed electron emitted by radioactive nucleus)

second of the ten Heavenly Stems 十天干[shí tiān gān]

turning stroke (in Chinese characters), aka 折[zhé]

son

seed

to plant

grain

beta- or type 2

(elementary) particle

grain (of rice)