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词汇 positive rays
释义

Definition of positive rays in English:

positive rays

noun
Physics historical
  • Rays formed by streams of positive particles; specifically = canal rays; also singular when used attributive.

Origin

Early 20th century; earliest use found in Joseph Thomson (1856–1940), physicist.

Definition of positive rays in US English:

positive rays

noun
Physics historical
  • Rays formed by streams of positive particles; specifically = canal rays; also singular when used attributive.

Origin

Early 20th century; earliest use found in Joseph Thomson (1856–1940), physicist.

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