Six secondary sexual characters in four odor frogs, Odorrana margaratae, O .
本文通过形态比较方法探讨了在流溪中产卵的4种臭蛙(绿臭蛙、云南臭蛙、花臭蛙和大绿臭蛙)的6项第二性征的多样性和适应;用数量聚类方法分析了6项第二性征的相互关系。
The breast is a secondary sex organ.
乳腺是属于第二性征器官。
One having the reproductive organs and many of the secondary sex characteristics of both sexes.
两性体具有生殖器官和第二性征的许多特点的个体
STUDY ON DIVERSITY AND EVOLUTION OF THE SECONDARY SEXUAL CHARACTERS OF THE ODOR FROGS (AMPHIBIA:RANIDAE)
臭蛙类第二性征的多样性与进化研究(两栖纲:蛙科)
The presence of male secondary sexual characteristics in a female.
男性化女子出现男子第二性特征
Phasal Characteristics of New Literature Publication during "the Second Decade";
“第二个十年”新文学出版的阶段性特征
primary sex character
最初性特征第一性征
The key, he said, is testosterone, the hormone responsible for development of masculine facial features and other secondary sexual characteristics.
他说，这其中的关键是睾丸甾酮，一种影响男性面部特征和其他第二性性征的激素。
Revision of the Similarity Metrics and Validity Proof of the Second Eigenvalue
相似度动目标检测量的修正与第二特征值检测量的有效性证明
In this paper, the second equivalence theorem of eigenvalue method for solving sparse polynomial equations is proved. The correspondence relation between eigenvalues and the solution of the equations is given.
证明解稀疏多项式方程组特征值方法的第二等价性定理,并给出方程组的解与特征值的关系.
Any of several steroid hormones produced chiefly by the ovaries and responsible for promoting estrus and the development and maintenance of female secondary sex characteristics.
雌激素一种主要由卵巢分泌的类固醇激素，用来刺激性交，形成和保持女性的第二性特征
conditional instability of the second kind
第二类条件性不稳定
C - Habit is a second nature.
[谚]习惯是第二天性。
Primary and secondary qualities
第一性的质和第二性的质
Be exempt from enterprise income tax for the first two profit-making years
从获利年起，第一、第二年免征企业所得税
They set off on an expedition into the desert the following year.
第二年他们出发去沙漠远征。
On Generalized θ-graph Whose Second Largest Eigenvalue Does Not Exceed 1;
第二大特征值不超过1的广义θ-图
Feature analysis of score in the 2nd Sandy Beach Football World Cup;
第二届沙滩足球世界杯进球特征分析
The Second Largest Eigenvalue of Laplacian Matrix of Connected Bipartite Graph;
连通偶图的Laplacian矩阵的第二大特征值