1) characteristically nilpotent
特征幂零
1.
A new kind of Lie triple systems is defined,whose derivations are nilipotent,called characteristically nilpotent Lie triple systems.
定义了一类特殊的幂零李三系,其所有导子都是幂零的,即特征幂零李三系,讨论了特征幂零李三系结构方面的一些性质,并得到了李三系是特征幂零的充要条件。
2.
We investigate the n-Lie algebras all whose derivations are nilpotent,which constitute a subclass of nilpotent n-Lie algebras called characteristically nilpotent.
研究了一类特殊的幂零n-Lie代数,其所有导子都是幂零的,称其为特征幂零n-Lie代数。
2) eigennilpotent
本征幂零
1.
Eigenprojections and eigennilpotents of a discrete operator;
离散算子的本征投影与本征幂零
5) part features
零件特征
1.
Put forward three methods to extract part features through researching methods of extracting geometrical information of part features based on Solid Works.
对如何提取Solid W orks零件特征的几何信息进行了研究,提出了三种特征提取方法。
6) zero-crossing feature
过零特征
1.
WT zero-crossing feature of MPSK signal was present in the time-scale spectrum of wavelet coefficients.
给出了MPSK信号小波变换后在时间-尺度图谱上小波系数的过零特征。
补充资料:幂零Lie代数
幂零Lie代数
Lie algebra, nilpotent
幂零lie代数【liealgebI’a.浦训t即t;瓜朋~。代Hm明盯e6Pal 域k上满足下列等价条件之一的代数(司罗bla)g: l)有g的理想的有限降链{9.}。“、。,使得g。=g,g。={o},且对o簇i
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