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单词 laplace operator
释义

WordReference Random House Unabridged Dictionary of American English © 2024
del1  (del),USA pronunciation 
  1. Foreign Terms(in names of Spanish derivation) a contraction of de and the article el: Estanislao del Campo.
  2. Foreign Terms(in names of Italian derivation) a contraction of di and the article il: Giovanni del Monte.

del2  (del),USA pronunciation n. [Math.]
  1. a differential operator. Symbol: ∇ Cf. gradient (def. 4), Laplace operator. 
  • short form of delta 1900–05

Del., 
  1. Place NamesDelaware.

del., 
    1. delegate;
      delegation.
    2. delete;
      deletion.
    3. delineavit.

Collins Concise English Dictionary © HarperCollins Publishers::
Laplace operator n
  1. the operator ∂²/∂x² + ∂²/∂y² + ∂²/∂z²,
    Symbol: ∇²
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