1) positive terms
正项
1.
We introduced a definition of Y—determinant and discussed properties of the Y—determinant, and then given the computational formula for the number of positive terms in a determinantal expansion.
利用此种行列式给出了行列式的正项个数的计算公式 。
2) series of positive terms
正项级数
1.
Extension of the test of convergence and divergence of series of positive terms;
正项级数敛散性判别法的源与流
2.
Advance on convergence test for series of positive terms;
正项级数审敛法的研究进展
3.
Generalization on convergence criterion for series of positive terms;
关于正项级数收敛性判别的一个推广
3) a positive convection term
正对流项
4) partial factors
分项修正
1.
The approach of the internal and external stability cheaking computations and aspects of partial factors for the design of geosynthetic reinforced wall filled with cohesion soil are described emphatically.
本文根据加筋土的工作机理，分析了加筋土高支挡的验算方法，提出了适合于合成材料、粘性土加筋挡墙内、外部稳定分析的方法，并在参数取值上考虑了分项修正系数，此外，优化技术成功地应用于加筋挡墙整体滑动的稳定分析。
2.
The Limit State Approach and aspects of partial factors for the design of geosynthetic reinforced soil structures are described emphatically.
笔者介绍了加筋土的加固机理及设计方法， 重点阐述了合成材料加筋土的极限状态设计方法的概念及分项修正系数， 在一合成材料粉煤灰加筋土高支档的设计及验算中引入了分项修正系数， 并对其主要设计指标确定进行了分析。
5) source term correction
源项修正
1.
A new source term correction method is presented for 3 d elliptic grid generation.
构造一种新的源项修正方法用于三维椭圆型方程网格生成，可以实现对网格与边界正交及网格与边界间距的双重直接控制。
6) positive term series
正项级数
1.
A new method about discriminating convergence and divergence of positive term series;
判别正项级数敛散性的一种新方法
2.
By using the density theory of theories of numbers,the article gives the density discrimination method determining the convergence and divergence characteristic of the positive term series.
借鉴数论方法中的密率论 ,给出判别正项级数敛散性的密率判别法 ,此方法特别适用于判定一些较难或不能给出通项表达式的级数的敛散性。
3.
The discrimination of the convergence of positive term series generally is from the comparison principle, and then it compares with certain geometry series and gets the ratio test and the radical test.
对正项级数收敛性的判别,通常是从比较原则出发,进而通过与某一几何级数相比较得比式判别法和根式判别法。
补充资料：正项
1.正税。 2.正式的项目;正规的项目。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条