"reverse Polish notation" meaning in 英语

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語不可數名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "有使用例的英語詞",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "英語 算術",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Back in my day, we had reverse Polish notation calculators: You had to write \"2 4 3 * +\" instead of \"2 + 4 * 3\".",
          "translation": "我那时候用的都是逆波兰表示法计算器：你得写“2 4 3 * +”而不是“2 + 4 * 3”。"
        }
      ],
      "glosses": [
        "逆波兰表示法"
      ],
      "id": "zh-reverse_Polish_notation-en-noun-ZELsAlwP",
      "topics": [
        "arithmetic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "postfix notation"
    }
  ],
  "tags": [
    "uncountable"
  ],
  "word": "reverse Polish notation"
}

{
  "categories": [
    "有1個詞條的頁面",
    "有詞條的頁面",
    "英語不可數名詞",
    "英語名詞",
    "英語詞元"
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "categories": [
        "有使用例的英語詞",
        "英語 算術"
      ],
      "examples": [
        {
          "text": "Back in my day, we had reverse Polish notation calculators: You had to write \"2 4 3 * +\" instead of \"2 + 4 * 3\".",
          "translation": "我那时候用的都是逆波兰表示法计算器：你得写“2 4 3 * +”而不是“2 + 4 * 3”。"
        }
      ],
      "glosses": [
        "逆波兰表示法"
      ],
      "topics": [
        "arithmetic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "postfix notation"
    }
  ],
  "tags": [
    "uncountable"
  ],
  "word": "reverse Polish notation"
}