The males are often larger than the females.

雄性动物常比雌性动物大。

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雄性败育的因素。

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

这种小口黑鲈黑鲈为雄性，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，某些裸子植物有种子形成的植物中的雄性配子。

American widgeon the male of which has a white crown.

美洲野鸭雄性的头冠为白色。

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 .

从皮与性别年龄的关系可见，具皮者多数为雄性(72%)，但雌性亦有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的雄性不育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.

摘要总结了多年雄性不育甜菜单胚种的良种繁育实践经验，对该类品种的良种繁育主要原则技术措施进行探讨。

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雄性萨可为梅伊理过毛，下午牠从梅伊手上拿到几根嫩枝的可能性就会大增。

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雄性成虫阳基侧突膨端体及阳茎中,为种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.

摘要塔形马蹄螺为雌雄异体，其雄性生殖系统主要由精巢输精管组成，有接器，也有其他的附属腺体。

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，雄性。

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，孔雀就代表雄性的种类，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雄性雌性的生殖结构，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，同性的亲昵可以让一些落单的雄性获得体温，从而得以生存。