knapsack

英 [ˈnæpsæk]

美 [ˈnæpsæk]

n.  小背包

复数：knapsacks　

TOEFLTEM8

BNC.34082 / COCA.17327

牛津词典

noun

• 小背包
  a small rucksack

柯林斯词典

• 帆布（或皮）背包
  Aknapsackis a canvas or leather bag that you carry on your back or over your shoulder, for example when you are walking in the countryside.

英英释义

noun

• a bag carried by a strap on your back or shoulder
  Synonym:backpackback packpacksackrucksackhaversack

双语例句

• The security of the scheme is set up on the intricate nature of the elliptic curve discrete logarithm problem and the knapsack problem.
  方案的安全性建立在椭圆曲线离散对数问题和变形的背包问题的难解性上。
• An improved tabu search algorithm for knapsack problem
  一种改进的禁忌搜索算法求解背包问题
• So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.
  所以我并没有施魔法，我已经告诉了你，一种快速解决背包问题的方法了，但是某些方面它的核心仍然是指数增长的。
• The moment he received the order, the soldier packed his knapsack.
  士兵一接到命令就打了背包。
• He stood, swung one knapsack onto his left shoulder, put the other on top of his cooler.
  他站着，把一个背包甩到左肩，另一个放在冷藏箱上。
• Dear god! This parachute is a knapsack!
  上帝啊！这个降落伞原来是个背包！
• Immune algorithm with antibody-repaired and its application for high-dimensional 0/ 1 knapsack problem
  抗体修正免疫算法对高维0/1背包问题的应用
• He walked all over the country with a painter's knapsack on his back.
  他背著一个画家的背包走遍了全国。
• Therefore, the hybrid intelligence algorithm is effective to solve 0-1 knapsack problems.
  因此，应用该混合智能算法求解0-1背包问题是比较有效的。
• An Ant Colony Optimization Algorithm Based on Mutation and Pheromone Diffusion for the Multidimensional Knapsack Problems
  基于变异和信息素扩散的多维背包问题的蚁群算法