1) basic population
基本种群
2) non-immigrant population
本地种群
1.
Comparisons of levels of crude fat,soluble sugars,and free amino acids in offsprings of the immigrant and non-immigrant populations of the brown planthopper,Nilaparvata lugens (Stl) (Homoptera:Delphacidae),under insecticide stress;
对照水稻上迁飞成虫的粗脂肪含量显著高于本地种群,迁飞与本地3龄、5龄若虫间粗脂肪含量没有显著差异。
3) herb populations
草本种群
1.
Characteristics of main herb populations in the arid valley of the Minjiang River;
岷江干旱河谷主要草本种群生态位研究
4) Genet population
基株种群
1.
The seedlings and saplings showed random distribution and the mid-aged and mature individuals showed clumping distribution in genet population.
从基株种群和无性系种群2个水平研究了仙湖苏铁种群的空间分布格局。
5) fundamental group
基本群
1.
In this paper,we prove that a complete Riemannian manifold M~n with lower quadratic sectional curvature (or Ricci curvature) decay,if it has small linear diameter growth,then it has a finitely generated fundamental group.
本文研究曲率二次衰减的完备黎曼流形,证明了若它的直径增长满足小的线性增长条件,则其基本群是有限生成的。
2.
In this paper,we study the condition which makes the fundamental group of graph have every positive integer as the index of some normal subgroup.
本文主要研究图的基本群的正规子群的指数何时成为任意正整数的条件。
3.
In this paper,we generalize the direct product theroem of the fundamental groups on the product space X×Y to that on the product space of X_1×X_2×…×X_n,and discuss their deformation retractions.
文章将乘积空间X×Y的基本群直积定理推广至乘积空间X1×X2×…×Xn上,并相应的讨论了乘积空间的形变收缩核,从而得到一些有趣的结论及性质。
6) Fundamental Groupoid
基本群胚
1.
In this paper, in accordance with the knowledge of Groupoid, we proved that the nature life of Lie Group on a Fundamental Groupoid has a coadjoint equivariant momentum mapping.
本文利用群胚的有关知识证明了李群在基本群胚上的提升作用有余伴随等变的动量映射这一结论,进而刻划了辛群胚的几何性质。
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
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