查询词典 NP

Reliable cryptograph is set up in math and formal computer science. According to the computational theory, the paper expounds mathematical background for public-key cryptosystem including: the complexity of algorithm and problem, relationship between the length of key and security of cryptogram.

可靠的密码学是建立在数学和形式化的计算机科学产生的结论之上的，本文从计算理论的角度阐述了构建对称密码体制所需的数学背景：算法复杂性与问题复杂性的关系；NP问题与密码学的关系；密钥长度与密码安全的关系。

Some techniques of dimension reduction,including the decomposability of the problem,were studied in the literatures.

作为NP-困难问题，该问题的降维性质已被研究，其中包括它的可分解性。

Inoculation of effective degraders to the modified polluted soils spiked with 2-nitrophenol was carried out by batch culture. The concentration of 2-NP、pH values and the number of 2-nitrophenol degrader were monitored in the experimental period to understand the variation of test strains.

将试验菌株接种於模拟污染土样中，进行批次生物降解实验，监测实验过程之2-硝基酚的菌数、浓度及pH值，并研究外加硝酸钾和氯化铵及混合菌种培养对於模拟污染土样之影响加以探讨。

Work like you don't need money, m^W$dh.

投入地工作吧，就像你根本不需要钱； NP/e+L

Results: the pH was slightly decreased during the autoclaving, but there was no turbimetric change and diametric change of the NP.

结果 浊度没有明显的变化，pH值在经过高温高压处理后有轻微的降低，粒径变化没有变化。

A number of useful natures of the discernable matrix is discovered, and used to solve the NP problem.

发现了分辨矩阵的若干有用性质，利用这些性质使粗糙集理论中的求核与约简问题得以解决。

The semantic expression consists of the disposal marker, object, result, disposer and manner available.

处置者、处置对象都由NP组成；处置行为、处置结果与处置方式都由VP组成。

Based on the endocrine disrupter characteristic of alkyl phenol compounds, the short chain alkyl phenol compounds still have estrogen hormone effect, and their environmental effect must be pay attention in the pollutant control of NP.

根据烷基酚类物质的内分泌干扰特性，短链烷基酚仍然具有雌激素活性，因此在壬基酚污染防治过程中应给与足够的重视。

But the attribution reduction is a NP problem,and it needs to be realized by knowledge of elicitation method.

引言粗糙集理论是Pawlak等学者在1982年提出的处理不确定，不精确和不完全数据的一种新的数学工具，主要用于知识的简化及知识依赖性的分析[1]。

These data suggest that treatment with DL reduces systemic eosinophilia and prevents the increase in circulating eosinophils after NP.

DL治疗能抑制全身性嗜酸性粒细胞增多，防止鼻部刺激引起的循环嗜酸性粒细胞增多。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。