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单词 Poynting vector
释义

Definition of Poynting vector in English:

Poynting vector

(also Poynting's vector)
noun
Physics
  • The vector product of the electric and magnetic field strengths at any point, which can often be interpreted as describing the magnitude and direction of the flow of electromagnetic energy.

Origin

Early 20th century; earliest use found in Ludwik Silberstein (b. 1872).

Definition of Poynting vector in US English:

Poynting vector

(also Poynting's vector)
noun
Physics
  • The vector product of the electric and magnetic field strengths at any point, which can often be interpreted as describing the magnitude and direction of the flow of electromagnetic energy.

Origin

Early 20th century; earliest use found in Ludwik Silberstein (b. 1872).

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更新时间:2025/6/18 16:47:03