empty set是什么意思

网络释义

用法例句

In this article, especially after comparing Laozi s correlative thought to the concept of empty set in fractal theory, we acknowledge there exists metaphysical wisdom and foundation for post-modern generativism.

文中特别把分形理论中“空集”的概念与老子的有关思想进行比较,认为我们传统文化中具有后现代生成论的形而上学的基础与智慧,只要正确地研究、继承与发展我们的传统文化,把握现在,中国科学文化的发展将是与后现代文化最为契合的民族文化。

The storage space is dominatecd by the solution micropores, the honeycomb-like solution pores and the kaolinitic intercrystalline pores with small to very small pore throat.

鄂尔多斯盆地北部塔巴庙地区上古生界发育一套低孔低渗致密砂岩储层 ,储集空间以溶蚀微孔、蜂窝状溶孔和高岭石晶间隙为主 ,孔喉以细—微细为主。

The storage spaces of the carbonate rocks resulted from the interaction of multistage dissolution and infilling,which may be divided into four stages on the basis of the development and evolution.

陕甘宁盆地中部气田产于奥陶系顶部古风化壳碳酸盐岩储集体中，碳酸盐岩储集空间的形成是不同期次的溶蚀作用和充填作用相互作用的结果。

In-depth analysis is made on lithology,storage space type,porosity evolution,pore-fissure combination of volcanic rocks and their influencing factors in northwestern margin of Junggar basin.

对准噶尔盆地西北缘火山岩岩性特征、储集空间类型、孔隙演化、孔缝组合类型及其主要影响因素进行了深入分析,研究了区内6种火山岩的岩性特征和6种类型储集空间特征及形成机理,认为火山岩原生孔隙因连通性差而不能形成有效储集层,而经过后期改造作用,尤其是溶蚀作用和构造运动,将大大改善火山岩的储集性能而成为有效储集层。

Diagenetic reservoir facies and reservoir space evolution of the Quantou Formation of Lower Cretaceous in Xinli Oilfield,Jilin Province;

吉林新立油田下白垩统泉头组成岩储集相及储集空间演化

Analysis on origin of the secondary dolomite reservoir space of Yeli - Liangjiashan formation in Jiyang Depression;

济阳坳陷冶里—亮甲山组次生白云岩储集空间成因分析

Genetic models on carbonate reservoir space of buried hill type.;

潜山型碳酸盐岩储集空间成因模式

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。

The null subset corresponds to the term 1.

空集则对应于常数项1。

air isolation integrated circuit

空气隔离型集成电路

sample collection bag for dilution air

稀释空气样气收集袋

evacuated tube collector

真空管式[太阳能]收集器

air isolation process

空气隔离型集成工艺

integrated advanced avionics

先进集成航空电子学

tubular solar collector

真空管太阳能集热器

sewage vaccum collecting system

污水真空式收集系统

standard air munitions package

标准空运军需品集装箱

container air duct system

集装箱空气导管系统

collect the empty glasses, dirty plates, waste paper

收集空瓶、 脏碟、 废纸

collect(up)the empty glasses,dirty plates,waste paper

收集空瓶、脏碟、废纸

Proceedings of the 2000 Space Control Conference

2000年空间控制会议文集

γ-Sets in L-Fuzzy Topology Spaces;

L-Fuzzy拓扑空间中的γ-集

Study on Thermal Performance of Evacuated Tubular Solar Air Collector with Inserted Tubes

内插式太阳能真空管空气集热器集热性能研究

The Research of Space Centralizing Effects in Industrial Innovation;

集群式产业创新的空间集聚效应分析

We shall call this space segsubspace.

我们把这空间称为广义割集子空间。