A subset of E~n is compact,if and only if it is closed and bounded.
给出了En中子集紧致的充要条件是有界闭的另一证法,其充分条件就是He ine-Borel定理。
The Sustainable Development of Regional Ec-Re-En System based on System Dynamics model
区域Ec-Re-En协调发展SD模型及政策建议
System Dynamic Simulation Study on the Coordinated Development of Economic-Resource-Environment: An Example of Jiangsu Province;
江苏省经济—资源—环境（Ec-Re-En）协调发展系统动态仿真研究
OrN Printing En.
或N【印刷术】en。
Study on the Properties of Roads about EN-1 Soil Condensate;
路邦EN-1土体固化剂的路用性能研究
Synthesis and Characteristics of the Compound [Ni(en)_3]_2Sn_2Se_6;
[Ni(en)_3]_2Sn_2Se_6的合成与结构表征
On the Regularity of "When-time" Adverbials in the "Have+-en" Form;
论"have+-en"与"何时"时间状语连用的规律
Development of Electroless Nickel Plating Bath EN-600 for PCBs
电路板化学镀镍液EN-600的研制
Test on Road Performance of Soil-Solidified Agent of Condensate EN-1
路邦EN-1固化剂稳定土路用性能试验
Research on Cylinder Regular Inspection System-Chapter EN
气瓶定期检验标准体系研究之EN篇
Hydrothermal Synthesis Method it Products[Cu(en)_2][KFe(CN)_6]}_n
水热合成法制备{[Cu(en)_2][KFe(CN)_6]}_n
The Updates of Luminaires Standard IEC/EN 60598-1, 2008 Edition
IEC/EN 60598-1灯具标准2008版的更新
Contrast analysis of digestive tract reconstruction with type Roux-en-Y and type Billroth
胃切除后Roux-en-Y与Billroth重建术式比较
To Explore the Categorial Properties of Have+en with Reference to the Clausal Iconicity Principles;
句法象似性原则参照下的Have+en的范畴属性
Secondary Metabolites of EN-22, an Endophytic Fungus Derived from the Marine Polysiphonia Urceolata
多管藻内生真菌EN-22的次生代谢产物研究
Application of EN and SEM on the study of activation mechanism of Al-Zn-In alloy
EN及SEM在铝锌铟合金活化机理研究中的应用
Engineering properties and influencing factors of solidified loess by EN-1 solidifying agent
EN-1固化剂加固黄土的工程特性及其影响因素
Chemical constituents of EN-22,an endophytic fungus derived from the marine red alga Polysiphonia urceolata
海洋红藻多管藻内生真菌EN-22的化学成分研究
The Characteristic on Propagation of Fatigue Pre-cracking 304SS during SSRT with EN and SKP
预制裂纹304SS试样慢拉伸过程EN和SKP表征