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单词
beta ray
释义
beta ray【电】 β射线 beta ray beta ray n.(名词)A stream of beta particles, especially of electrons.β射线:一束β粒子,主要为电子
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positive number
positive-or circuit
positive-or gate
positive output
positive phase
positive phase-sequence relay
positive phototropism
positive picture modulation
positive picture phase
positive plate
positive pole
positive potential
positive prescription
positive pressure
positive print
positive proof
positive pulse
positive radical
positive ray
positive rays
positive reaction
positive real matrix
positive response
positive result
positive return cam
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更新时间:2026/5/17 8:00:09