对球体图元的装箱问题直接给出光滑的优化模型,依据变分分析的最优性理论建立了最优性必要条件。
As to the problem of packing balls, a smooth model is given and the corresponding optimality conditions are established by the optimality theory of variational analysis.
很难相信,时间已跨入21世纪,而我们仍在讨论着海盗。但对于船舶来讲,包括油轮和集装箱运货船,公海强盗仍是个很大的问题。
It's hard to believe that it's the 21st Century and we're still talking about pirates, but high-seas bandits are a big problem for ships, including oil tankers and container ships.
某些装箱问题是NP完全的,但可以通过动态规划法或近似最优的启发式解法来解决。
Some bin packing problems are NP-complete but are amenable to dynamic programming solutions or to approximately optimal heuristic solutions.
装箱问题,即在一定的约束条件下如何将不同重量的物体放入不同的箱子,是一个历史悠久的有趣问题。
Bin packing, or the placement of objects of certain weights into different bins subject to certain constraints, is an historically interesting problem.
因此,通过理论结合生产实际,系统地研究集装箱班轮航线优化问题,具有非常大的实际意义。
Therefore, it is quite essential to make a systematic study on how to optimize an international container trade lane so as to improve its bottom line.
问题在于,这项从中国到西班牙的商业货运服务——尤其是考虑到这趟前往马德里的处子秀包括一个装满儿童陀螺玩具的集装箱——真的能产生经济效益吗?
The question is, does a commercial cargo service from China to Spain – especially one whose maiden voyage to Madrid included a container filled with kids' spinning tops – make economic sense?
文章基于收益管理的思想对不确定环境下集装箱班轮的动态舱位分配问题进行了定量研究。
Based on revenue management, the container slot dynamic allocation problem for liner shipping industry is studied quantitatively under uncertainty.
目前最有效的解决三维装箱问题的方法。
The most effective solution to three-dimensional packing problem.
作为经典装箱问题的推广,有色装箱问题在多处理器实时计算机系统的任务调度等实际问题中有着很强的应用背景。
As one of the constrained bin packing problem (BPP), coloring BPP has many important applications such as multi-processor real-time scheduling, etc.
因此,装箱问题具有重要的研究价值。
As such, the packing question has the important study value.
本文提出了一种新的求解三维装箱问题的混合模拟退火演化算法。
This paper presents a new hybrid simulated annealing algorithm for three dimensional container loading problem.
将该图书仓库布局模型分别基于装箱问题结构和广义指派问题结构,设计了两种不同的蚁群优化算法。
Two different Ant Colony Optimization heuristics based separately on Bin-packing Problem structure and Generalized Assignment Problem structure were designed for Books Warehouse Layout Problem.
大型集装箱船舶配载问题是一个复杂的组合优化问题,而且是一个NP问题。
The vessel stowage planning is not only a complex combination and optimization problem, but also a NP-Complete problem.
提出了有限预知信息的集装箱搬卸占线问题,即每一个服务请求到达时预先知道后续一部分请求信息的占线问题。
The paper puts forward the online container shipment problem with limited prevision information, in which an online algorithm gets to know several requests in future when each request arrives.
研究一类带工作时间约束的集装箱专用车辆调度问题的混合禁忌搜索算法。
A container vehicle routing problem with working time constraint load is studied in this paper.
本文就集装箱船舶积载及装载仪软件的设计问题进行了论述。
This thesis discusses the stowage for container ships and design of loading software for container ships.
根据存在的这些问题本文从两个方面对内陆集装箱空箱调运进行优化。
According to the analysis this paper discusses, from two respect, the optimization of inland empty container allocating.
在C62货车模型的基础上,通过动力学仿真软件SIMPACK,采用滚动体接触建模法解决了用集装箱装载液体货物的模型问题。
On the basis of an integrated model of C62 freight car, the problem of modeling for liquid transport with containers with dynamic software SIMPACK and contact modeling method.
包装和集装箱管理策略在解决这些问题方面将扮演重要的角色。
Packaging and container management strategies can play an important role in addressing these challenges.
本论文重点探讨长江三角洲集装箱港口群内的合作竞争问题。
This thesis discusses mainly the cooperation and competition among coastal container ports group in Yangtse Delta.
对于很多大型的港口装卸机械的动力仿真问题研究较少,很多有关集装箱岸桥的研究都是通过对现场上测试的数据进行整理与分析。
There are a little research on emulating of Dynamic Response of portal crane and some work is to study and analyze the data which be obtained from the test on Container Crane .
随著大量救援物资,包括国际公司发出的集装箱被堵塞在码头,救援工作的协调问题再次受到了质疑。
With a lot of the aid, including containers sent by international companies, stranded on docksides, coordination of the relief work is again being questioned.
装箱问题是个在工业生产中经常碰到的问题,如集装箱的装载、板材的切割、集成电路的设计、报纸的排版等等。
Packing problem is faced in many industries, for example, the container loading, the sheet cutting, the design of VLSI and the newspaper editor.
首先对研究的问题进行了描述,建立了集装箱舱位分配和定价的数学模型。
Firstly, the problem concerned is described. Then, mathematics models of slot allocation and pricing for shipping container are proposed.
多约束条件下的三维装箱问题是一个复杂的组合优化问题,属于NP-HARD问题,其求解是很困难的。
Three dimension packing problem with multi constraints is a complicated combinatorial optimization, and is NP HARD problem. It is difficult to obtain on optimal solution.
我们的产品,是不需要商检的,因此开集装箱检查没有问题。
Our products need no commodity inspection. So it is OK for us.
我们的产品,是不需要商检的,因此开集装箱检查没有问题。
Our products need no commodity inspection. So it is OK for us.
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