slipstick 中文意思是什麼

slipstick 解釋
〈美俚〉=slide rule.
  1. Before the 1970s the slide rule, or slipstick, was as common as the typewriter or the mimeograph machine

    1970年代之前,計算尺跟打字機和油印機一樣,隨處可見。
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