Subset是什么意思

网络释义

用法例句

Method of Infrared Spectrum Analysis of Hydrocarbon Mixed Gas Based on Multilevel and SVM-Subset;

层次式SVM子集含烃类混合气体光谱分析方法

This paper discusses the problem of the cardinality of the sums and differences of subsets of integers.

考虑了整数群子集自身和及自身差势的问题,基于对前人给出的几类整数群上超差集合构造的研究,通过对典型有限和超差集合A1的有限分解,即A1={0,2}∪{3,7,11,…,4k-1}∪{4k,4k+2}∪{4},其中k是不小于3的正整数,证明给出了整数群上一类无限的和超差集合的构造,使集合的势从有限上升为无限,拓展了前人的理论成果。

This paper analyzed the time complexity of traveling salesman problem, then put forward some improvement towards the genetic algorithm for solving this problem: dividing the population into some small subset and imposing heuristic crossover operator on the individual,which can inherit the good information of the parent individual well.

分析了旅行商问题的时间复杂度特点,针对用遗传算法求解旅行商问题中存在的一些问题提出了改进算法,此算法将群体分为若干小子集,并用启发式交叉算子,以较好地利用父代个体的有效信息,达到快速收敛的效果。

Application of an enrichment factor in determining anthropogenical pollution ofheavy metal in topsoil;

攀枝花工矿区土壤重金属人为污染的富集因子分析

Meanwhile,enrichment factors were calculated for the source identification.

对不同季节采集的兰州市街道尘埃样品,用X射线荧光法分析了其中41种元素的质量分数,并用富集因子法对数据进行分析。

In addition, they studied the sources of atmospheric fallouts by using the enrichment factor and principal component analysis.

通过研究太原盆地大气干湿沉降中重金属元素的含量分布特征及年输入通量,讨论其对土壤中重金属元素累积的影响,同时采用富集因子法探讨降尘物质的来源。

Determination of trace lead in fly-ash by derivative atomic absorption spectrometry based on atom trapping technique;

导数原子捕集火焰原子吸收法测定粉煤灰中铅

Determination of Trace Copper in Water by Ion Exchange-Atom Trapping Method;

离子交换－原子捕集法测定水中的痕量铜

Determination of cadmium in Chinese Herbs by atom trapping-flame atomic absorption spectrometry with derivative signal processing technique;

导数-原子捕集-火焰原子吸收光谱法测定中草药中痕量镉

Calculation of vapor heat capacity and equilibrium constants of association for alcohol using the model of molecular aggregation;

应用分子聚集模型计算醇类的气体热容及其缔合常数

In order to meet requirement of Daqing Oilfield in the second and the third reservoir development,the interaction between high molecular weight polymers was studied,so were the molecular aggregation and solution properties.

为满足大庆油田二、三类油层开发的实际需求,研究中低相对分子质量抗盐聚合物分子间的相互作用、分子聚集和溶液特性,评价分子聚集对现场应用条件的适应性。

In the present paper,a theory of solution for molecular aggregation is proposed based on both classical thermodynamic and molecular thermodynamic principles.

本文应用经典热力学和分子热力学方法建立了分子聚集溶液理论。

A subset S of a ring A is a subring of A.

环A的子集S叫作A的子环。

A set that includes a given and similar set as a subset.

子集包含一个给定的或相似的子集的集合

The null set is any set subset.

空集是指不含任何元素的集合，空集是任何集合的子集。

an arrangement of data consisting of sets and subsets such that every subset of a set is of lower rank than the set.

对包含集和子集的数据的排列，是每个集都在其子集之上。

the set of red hats is the intersection of the set of hats and the set of red things.

红色帽子集合是帽子集合和红色事物集合的交集。

Returns a subset of members from the end of a specified set.

从指定的集合末尾返回成员子集。

Sum of Special Subsets of Set X={1,2,...n};

集合X={1,2,…n}的几种特殊子集个数浅探

cryoelectronic integrated microcircuit

低温电子集成微型电路

MITE (Microelectronic Integrated Test Equipment)

微电子集成试验装置

EIDE enhanced Integrated Drive Electronics

增强形电子集成驱动器

thermionic integrated micromodule circuit

热电子集成式微模电路

Zengzi's wife was going to the market.

曾子的妻子到集市上去。

A book or collection of church hymns.

赞美诗集教堂赞美诗书或集子

The Intersections and Non-intersections between Tian Bian Shengzi and the Feminism;

田边圣子与女性主义的交集与非交集

a gathering to make quilts.

为做被子举行的集会。

collection angle

收集角 -二次离子质谱术

Bullets were spatting down on us.

子弹密集地射向我们。

The children clustered round their mother.

孩子们聚集在母亲身边。