常見例句

雙語例句

• In this paper we give some simpler definitions of definite integral, and show that they are all equivalent to the definition of Riemann integral.
  本文給出了定積分的幾個(gè)較簡(jiǎn)單的定義，并證明這些定義均與黎曼積分定義等價(jià)。
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