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词汇 knapsack
释义 knapsack
noun[ C ]
UKold-fashioned or USuk /ˈnæp.sæk/ us /ˈnæp.sæk/
a bag carried on the back or over the shoulder, used especially by people who go walking or climbing for carrying food, clothes, etc.(徒步旅行者或登山者用的帆布或皮制的)小背包
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rucksack
haversackold-fashioned
backpacknoun
 
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SMART Vocabulary: related words and phrases

Containers for carrying personal possessions
attaché case
baggage
billfold
bindle
briefcase
excess baggage
garment bag
grip
hand luggage
handbag
hatbox
pannier
pocketbook
sack
saddlebag
satchel
schoolbag
shopping bag
sling
sponge bag

knapsack | American Dictionary


knapsack
noun[ C ]
us/ˈnæpˌsæk/
a small bag with straps that can hold it against a person’s back, leaving the arms free

Examples of knapsack


knapsack
We gravitate to our knapsacks, the session comes to an end, and the clock begins to measure time once again.
In general, identifying non-trivial strong valid inequalities is not obvious even for knapsack relaxations.
Solving large knapsack problems with a genetic algorithm.
These have to be applied with a knapsack sprayer.
Some facet-defining inequalities of these knapsack relaxations are easy to identify.
Both treatments were applied in 200 litres water/ha using a knapsack sprayer at a pressure of 2 bars.
Pheromone solutions were applied by means of a manual knapsack sprayer.
Finding the shortest path corresponds to minimising the cost of placing items in the knapsack, and therefore maximising the profit.
The general problem of ordering categories to minimize wasted gaps in allocation is somewhat similar to a knapsack problem.
However, we can simplify the problem further, so that finding such inequalities is easier, and then build from these inequalities to obtain facets of the knapsack polytopes.
Pmax represents the profit of the solution and cap is the knapsack size.
Thus, for a large knapsack of 20,000 elements, the adaptive penalty function used in this research computes the minimum and the maximum penalties as approximately 1 and 10, respectively.
It closely corresponds to the knapsack problem.
What makes a vector solution x infeasible is that the total weight of the individual x has exceeded the knapsack capacity.
Crowder et al. (1983) suggested using strong inequalities derived from the individual linear constraints of the problem (knapsack relaxations).
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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