square bracket

名词 n.
中文释义

英文释义

名词 n.
  1. Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.
    — We must, in short, employ a special bracket for operative relations ; and the square bracket is the most convenient. Hence [a + bβ] x denotes that a + bβ operates on x, and [φ]ⁿ denotes that φ operates on itself n - 1 times.

词形变化

square brackets plural
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