knapsack

          英 ['n?ps?k]美['n?ps?k]
          • n. 背包

          TEM4TOEFL暢通詞匯

          詞態變化


          復數:?knapsacks;

          助記提示


          1. 背包問題(Knapsack problem)是一個經典的算法問題,可以用動態規劃,貪心法,分支界限法等方法解決。
          2. knock => knap: 兩者都是擬聲詞,都是模擬類似的聲音。
          3. The bag having originally been named because it carried a traveller's supply of food.

          中文詞源


          knapsack 背包

          knap,擬聲詞,拍打聲,sack,包。比喻用法。

          英文詞源


          knapsack
          knapsack: [17] The -sack of knapsack is no doubt essentially the same word as English sack, but the knap- presents slightly more of a problem. The term was borrowed from Low German knappsack, and so probably knapprepresents Low German knappen ‘eat’ – the bag having originally been named because it carried a traveller’s supply of food.
          knapsack (n.)
          c. 1600, from Low German Knapsack (Dutch knapzak), probably from knappen "to eat" literally "to crack, snap" + Sack "bag" (see sack (n.1)).

          雙語例句


          1. " You can carry that blue knapsack. I'll take the tan one and the tripod. "
          “ 你可以幫著拿那個藍背包, 我拿那個土黃色的和三腳架. ”

          來自英漢文學 - 廊橋遺夢

          2. Franklin placed the warm scarf Debbie had knitted for him in the top of his knapsack.
          富蘭克林把黛比為他織的暖和的圍巾放在背包的最上層.

          來自辭典例句

          3. The moment he received the order, the soldier packed his knapsack.
          士兵一接到命令就打了背包.

          來自互聯網

          4. This is about 01 knapsack problem dynamic programming algorithm.
          這是關于01背包問題的動態規劃算法.

          來自互聯網

          5. Therefore, the hybrid intelligence algorithm is effective to solve 0 - 1 knapsack problems.
          因此, 應用該混合智能算法求解 0-1 背包問題是比較有效的.

          來自互聯網

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