The males are often larger than the females.

动物常比雌动物大。

Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.

中层组织、绒毡层组织及药隔维管束异常均是败的因素。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这小口黑鲈和黑鲈，却带有未成熟的卵子。

Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.

藻类，某些裸子植物和没有子形成的植物中的配子。

American widgeon the male of which has a white crown.

美洲野鸭的头冠白色。

For relationship of projecting part of forehead to sex and age, most of male H. armiger(72%) has projecting p art of forehead, but some of female (21.1%) has it too .

从皮与别和年龄的关系可见，具皮者多数(72%)，但雌亦有21.1%的个体有皮。

In the present paper, the results on induction of monohaploid plants from a pollen derived typical male sterile dihaploid strain of Solanum tuberosum L. were reported for the first time.

本文首次报道了用花药培养法由一个典型的不的双单倍体品系诱导产生一单倍体的试验结果。

Based on the years experiences, the author summarized and provided the main criterion and technique measures for improved cytoplasmic male sterile monogerm hybrid sugarbeet of seed reproduction.

摘要总结了多年不甜菜单胚型杂交的良实践经验，对该类品的良主要原则和技术措施进行探讨。

If the top male, Socko, had groomed May, for example, his chances of obtaining a few branches from her in the afternoon were much improved.

举例来说，要是α萨可梅伊理过毛，下午牠从梅伊手上拿到几根嫩枝的可能就会大增。

Objective To study male insect s apical dilation of parameres and aedeagus of Leptoconops kerteszi complex and provide the scientific evidence for diagnosis among species.

目的研究古塞细蠓复合组成虫阳基侧突膨端体及阳茎中,间鉴别提供科学依据。

Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.

摘要塔形马蹄螺雌异体，其生殖系统主要由精巢和输精管组成，没有交接器，也没有其他的附属腺体。

MATERIALS AND METHODSMaterials: 12healthy, otomicroscopically normal guinea pigs weighing 250 - 300g and with a normal Preyer reflex were used.

耳廓反射灵敏的健康白色红目豚鼠12只，体重250～300克，。

When the term peafowl is used, peacock then refers to the male of a species and peahen to the female.

当使用了孔雀这个语词，孔雀就代表的类，而雌孔雀就另有一个名词。

Like all Cestoid's each individual has male and female reproductive structures in its proglottid and can reproduce independently.

像所有的绦虫一样，每一条寄生虫的节片上都有和雌的生殖结构，能够独立生殖。

And among garter snakes, male-on-male contact may allow some solitary males to thermoregulate and, therefore, survive.

在花斑蛇之间，同的亲昵可以让一些落单的获得体温，从而得以生存。