1) preservation Theorem
保持性定理
2) retention
保持
1.
Effect of Participants′ Contact Information on Cohort Retention among Injection Drug Users;
静脉吸毒人群虚假联系信息对队列保持率影响的初步研究
2.
The circuit design of data retention during power-down based on MAX6361;
基于MAX6361的掉电保持电路的设计
3.
A Clinical Study and Application in Individualized Retention of Fixed and Removable Retainers;
正畸活动和固定保持器的临床研究与个性化设计
3) maintenance
保持
1.
Maintenance approachs of complete male sterility in Brassica napus L.;
甘蓝型油菜雄性不育完全保持的途径
2.
Establishment and maintenance of longan embryogenic cell lines;
龙眼胚性细胞系的建立与保持
3.
The fostering,gestation and maintenance of sensitivity are a crucial task of editors in charge in their long work practice.
敏感性的培养、孕育与保持,是责任编辑长期工作实践中的一项重要任务。
4) preservation
保持
1.
The complete preservation of quantum entanglement information under detuning;
失谐下量子信息的不失真保持
2.
Some conditions of the structural property preservation by synchronization composition of Petri nets are obtained.
研究了同步合成网的结构性质, 给出了同步合成网保持子网结构性质不变的条件。
3.
This paper demonstrates the inevitability and necessity of preservation or reform to the national custom habits in the period of construction of socialism modernization.
本文论证了在社会主义现代化建设时期 ,对民族风俗习惯保持或改革的必然性、必要性。
5) maintain
保持
1.
The Historical Development of the Requirements of the Communist Party of China to maintain Her Members Advanced Nature;
中国共产党关于保持党员先进性要求的历史发展
2.
To maintain CPC member s progressiveness,it is necessary to correctly deal with the relationship between progressiveness and fast development,to correctly understand the scientific method for fast development,and to attentively focus on the educational activity about progressiveness.
保持共产党员先进性,必须正确把握先进性与加快发展的关系,正确把握加快发展的科学方法,着眼于开展先进性教育活动,在发展中保持共产党员的先进性。
6) keep
保持
1.
How to Understand and Keep the Advantages of Communist Youth League in College in the New Period;
新时期如何正确理解和保持高校共青团的先进性
2.
Discussed the problem that appears in progress of keep advancement of party and characters we should be have.
论述了在保持党的先进性进程中出现的问题以及广大干部群众应具备的素质。
3.
Summing up the experiences and lessons of the relationship between CPC and the masses since the founding of CPC is instructive to maintain and develop this relationship and keep the progressiveness of CPC.
保持党同人民群众的血肉联系,始终代表着人民群众的根本利益,是我们事业的成功之本。
参考词条
补充资料:函数逼近,正定理和逆定理
函数逼近,正定理和逆定理
approximation of functions, direct and inverse theorems
函数逼近,正定理和逆定理〔叩p川心m丽皿of加n比拙,山比Ct and inve瑰the.陀ms;.聊痴叫的日.此中加.欲浦、娜旧M“el.倾阵I‘eT印碑袖I」 描述被逼近函数的差分微分性质与各种方法产生的逼近误差量(及其特征)之间关系的定理和不等式.正定理借助于函数f的光滑性质(具有给定的各阶导数,f或其某些导数的连续模等),给出f的逼近误差估计.利用多项式进行最佳逼近时,Jaekson型定理及其多种推广均是众所周知的正定理,见J以滋s佣不等式(J ackson inequality)和Ja改涨扣定理(Jackson theo-化m).逆定理则是根据最佳逼近或任何其他类型逼近的误差趋于零的速度来刻画函数的微分差分性质.5.N.Bernste几首次提出并在某些场合下解决了函数逼近中的逆定理问题,见[21,比较正逆定理,有时就可以利用,例如,最佳逼近序列来完全刻画具有某种光滑性质的函数类. 周期情形下正逆定理之间的关系最为明显.令C为整个实轴上周期为2二的连续函数空间,其范数定义为}}训:m。‘加川. 趁、 石(户7丁),nf}{厂甲1}、 价任了。为至多。次的允多项J处J’‘“间l对矛中函数f的最不}遍近,。仃一川记二厂的连续模,产r(产一12一)是若;,,I率个实轴上·次连续。f微的函数集‘户,二矛);卜定理f山。‘c、,the(〕re,1”J片出如果.了。厂、则 M{_‘l 从“,,蕊奋一“甲’、万 月l、2、、厂幼,!_.少川1常数M,。。一。又.「JJ以构造矛。‘;矛中函数八,)相关的多项式序列织(_人t):不使得对产三乙,(l)的右端.叮作为误差卜厂一仁〔户一的}界,这是较(I)更强的结果.1兰定理(,n、。r、。the‘)rem)指日:对,。矛勿J果 可。,、M了岁E“,;;),。、二 月二】(其,「,阿是绝对常数l}了司是l厂户的整数部分)日一对某个i「一整数r‘级数 艺。r一’E以讯一1) 月二1收敛.则可推得了‘〔’‘类似戈2)田(/、),l/。
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