背包

基于Matlab的0-1背包问题的动态规划方法求解

DP Algorithm of Solving 0-1 's Knapsack Problem Based on Matlab

解0-1背包问题的混合编码贪婪DE算法

Mixed Coding Greedy Differential Evolution Algorithm for 0-1 Knapsack Problem

沉重的背包压弯了他们的脊背。

Their backs were bowed under the weight of their packs .

他身上的背包压得他有点步履蹒跚。

He staggered a little under the weight of his backpack .

这个跟传统背包不同——它防水。

The traditional backpack with a difference ─ it 's waterproof .

这些背包是为携带重物设计的。

These backpacks are designed to carry a heavy load .

新式背包把承重量分散在更大的面积上。

Modern backpacks spread the load over a wider area .

她找到一个座位，把背包放好，坐了下来。

She found a seat , stowed her backpack and sat down .

他们去年背着背包在西班牙旅行。

They went backpacking in Spain last year .

我准备休假一年去印度背包旅行。

I 'm planning to take a gap year and go backpacking in India .

查利费力地将背包背到楼上自己的公寓里。

Charlie humped his rucksack up the stairs to his flat .

他单肩挎着一个绿色的帆布小背包。

He had a small green rucksack slung over one shoulder .

如果可储藏的地方有限，这些拉环式背包能节省很大空间。

These zip-top bags are great space-savers if storage is limited .

她在背包里翻找一番后拿出了一个文件夹。

She delved into her rucksack and pulled out a folder .

他扭动身体，挣开背包的肩带。

He squirmed out of the straps of his backpack .

我的背包太大了，行李架上放不下。

My rucksack was too big for the luggage rack

回首过去，她觉得自己真不该放下背包不再徒步旅行。

Looking back , she feels she should never have hung up her backpack .

他很体贴地背着装有我们野餐食物的背包。

He kindly carried our picnic in a rucksack

他把我的背包从出租车上取来丢到我脚下。

He got my haversack from the cab and dumped it at my feet .

他们把设备全装进背包里面。

They load all their equipment into backpacks

他仔细地把小背包放好，不让里面的东西掉到地板上。

He carefully balanced the satchel so that its contents would not spill out onto the floor .

背包带太紧，勒得慌。

The pack straps are too tight . They cut into the flesh .

你不要因此背包袱。

Don 't let it weigh on your mind .

背包散了。

The blanket roll has come loose .

他的背包松开了。

His pack was undone .

许多发明家的脑海中仍有鲜活生动的个人化飞行梦想，一些人开发循环动力飞行器，另一些人则把大量资金投入喷气背包。

The dream of personalised flight is still vivid in the minds of many inventors , some developing cycle-powered craft , others pouring money into jetpacks .

比如费思,她经常把背包落在自助餐厅；还有露西,她很喜欢拥抱。

Like Faith , who often forgets her backpack in the cafeteria , and Lucy , who just wants a hug ．

所有的东西都放在背包里,我们带着它穿过田野。

Everything was put into a backpack and we took it across fields .

中华人民共和国成立后军用帆布背包开始流行起来。

With the foundingof the People 's Republic of China , military rucksacksbecame popular .

有的学生拉着装满沉重课本的带轮子的袋子，有的学生背着背包。

Some students pull wheeled bags filled with heavy textbooks and others carry backpacks .