1.
Research on Optimization Theory and Application of Reactive Distillation with Side Reactors;
“背包式”反应精馏优化理论和应用研究
2.
Study on the Technology of Photochlorination of Acetic Acid in the Distillation Column with a Single Reactor;
乙酸光氯化背包式反应精馏耦合工艺研究
3.
On Spatial Travel Flow Pattern of Intercontinental Backpackers Visiting China
洲际背包客旅华空间流行为模式研究
4.
They may walk or cycle or take buses.
背包客旅行方式有步行、骑自行车或搭乘巴士。
5.
Study on Air Type Filling Rationale of the Cement Mortar Packer;
水泥砂浆包装机背压式喂料原理的研究
6.
Formal Derivation of a Kind of 0-1 Knapsack Problems Algorithmic Programs
一类0-1背包问题算法程序的形式化推导
7.
Genetic algorithm with schema replaced for solving 0/1 knapsack problem
一种基于模式替代的遗传算法解0/1背包问题
8.
The children carry the bag on the back.
孩子们把书包背在背上。
9.
The men slung their packs again.
大家又都背起了背包。
10.
A rucksack has straps that go over the shoulders.
背包上有两条背带.
11.
The soldier carried a pack on his back.
这个军人背上背着一个背包。
12.
Carrying such a heavy bag, I was very easy to get sweaty.
背这样重的背包，让我很快就汗流浃背。
13.
"You're old knapsacks and a truck named Harry and jet airplanes to Asia.
“你就是那旧背包,那辆叫作哈里的卡车,那飞向亚洲的喷气式飞机。
14.
Coordinated design elements, including body and heading styles, background images, bullets, and horizontal lines.
协调设计元素，包括正文和标题样式、背景图片、项目符号，和水平线。
15.
The Omaha World-Herald reported that the gunman had a military-style haircut and a black backpack, and wore a camouflage vest.
奥马哈世界宣布报道,枪手有军事样式理发和一个黑背包,和穿了伪装背心。
16.
carrying something in a pack on the back.
在后背上用包来装某。
17.
knapsack, of leather
旅行用背包,皮革制
18.
He went off to school with a satchel over his shoulder.
他背着书包上学去了。