查询词典 NP

The determination method of 237 Np in the large amount of uranium by γ spectrum is developed.

研究建立了γ谱法直接测定大量铀溶液中2 3 7Np的方法。

The new algorithm can also be generalized to solve other NP p roblem s .

新算法也可推广用于其他 NP问题的求解。

Packing problem is NP complete,this paper uses an immune genetic algorithm to solve it.

本文用一种免疫遗传算法来研究装箱问题的求解。

The method can apply to other NP hard problems.

它为求解NP困难问题的近似解提供了一种行之有效的方法。

Does P equal NP? is one of the most important unsolved questions in modern mathematics.

是近代数学中一个重要的待解问题之一。

For network topology optimization, as it is an NP hard problem, so it is difficult to resolve it with common methods.

对基于可靠性的网络拓扑优化设计问题，由于其为NP完全问题，因而很难用传统的方法解决。

Objective: To clone the complete gene of nucleoprotein of H3N2 subtype avian influenza virus, and to express recombinant NP in E.coli for the function research.

目的：获得H3N2亚型禽流感病毒核蛋白全长基因，并在大肠杆菌中表达，以用于对NP功能的研究。

An input phase voltage is divided into a main range and a transition range in which new P, M, N conditions and PM, NP, MN transition conditions are defined, some null vector is selected and the condition combination sequence of bidirectional power switches are adjusted in each modulation period to realize the safe, reliable and rapid commutation and the stable operation of the matrix converter.

本发明属于矩阵变换器控制技术，为一种用于矩阵变换器的控制方法，通过把输入相电压划分为主区间和过渡区间、在过渡区间定义新的P、M、N状态和PM、NP、MN暂态以及在每个调制周期内选择特定的零矢量并调整双向功率开关状态组合顺序，实现矩阵变换器安全、可靠、快速换流和稳定运行。

It has been proved that most cases of open shop problems are NP-hard.

已经证明，绝大多数的自由作业都是NP困难的。

The Vehicle Routing Problem is a NP complete problem and is also a hot topic in the operational research field.

车辆路径问题属于完全NP问题，也是运筹学中的热点问题。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。