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单词 subadditive
释义

subadditive

/ˌsʌbˈadɪtɪv/
adjective
Mathematics. Of a function f: such that f(x + y) ≤ f(x) + f(y) for all values of x and y.
  • Sometimes equality (additivity) is excluded..

Origin

Mid 19th century (in an earlier sense). From sub- + additive.

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更新时间:2026/6/2 16:31:53