查询词典 stud mating

A wandering albatross contracts its wings during a mating ritual on South Georgia Island, Antarctica.

一只漂泊的信天翁缩短它的翅膀当一次交配仪式在南乔治亚岛，南极洲。

The whitewing and yellow-wing can be reproduced by mating with any variety or colour which is split for white or yellow, but the proportion will be small.

在whitewing和黄翼可以复制，与任何品种或颜色，是白色或黄色分裂交配，但比例会很小。

Preliminary study of courtship and mating of the wolf spider Pardosa pseudoannulata, were determined under the condition of laboratory.

以拟环纹豹蛛Pardosa pseudoannulata为研究对象，对其在室内求偶和交配行为进行了详细描述。

Its mating gear is called a worm gear, which is not a true helical gear.

与其相配的齿轮叫做蜗轮，蜗轮不是真正的斜齿轮。

This project is to carry out theoretical and experimental investigation for the worm helical gear drive, to gain the necessary knowledge and understanding of its mating characteristics and performance.

本课题正是对蜗杆斜齿轮传动进行理论分析和试验研究，以求对蜗杆斜齿轮传动有一个初步的认识和了解。

The results indicate:(1) The buck has some behaviors in mating season, for instance, anogenital sniffing, raking the soil etc. Its bedding and conflict interaction is different, and its anogenital sniffing is different remarkably for buck and does.

研究结果表明：(1)在交配季节，雄狍具有卷唇嗅闻、扒土等行为；雄狍与雌狍的卧息、冲突行为差异显著，尾阴探究差异极显著。

The data showed that during non mating season the frequencies of rubbing anogenital, sniffing and urinating/defecating in sexually active males were remarkably higher than those in the sexually inactive ones, and the frequencies of investigating, sniffing and urinating/defecating of sexually active females were significantly lower than those of the sexually inactive ones.

结果表明：在非交配季节，性活跃雄性蹭阴、嗅闻和尿粪标记频次显著多于性不活跃雄体；性活跃雌性活动、探究、嗅闻和尿粪标记频次显著低于性不活跃雌体。

In the field of biology the paper dicusses mating,parasite,developing,oviposition,etc.of Aphidius gifuensis and effect on its host,also ecologically dicusses its natural enemies and effect of weather,growth of tobacco,insecticide on Aphidius gifuensis.

生物学方面主要论述了烟蚜茧蜂的交配、寄生、发育、产卵、体色、性比、越冬、成蜂寿命及其对寄主生命活动的影响：生态学方面主要论述了烟蚜茧蜂的天敌以及气候因子、烟草长势和化学农药对其的影响。

Including disruptive selection hypothesis and apostatic selection hypothesis and nonrandom mating hypothesis etc.

分化选择假说、异类选择假说和非随机性交配假说等。

The results of The biological characteristics of Semanotus bifasciatus have showed: 1. The hole of Semanotus bifasciatus associated with a certain temperature.2.The main damages of Semanotus bifasciatus located oriental arborvitae tree trunks, while above 3m parts are not damaged. 3.The Mating numbers of Semanotus bifasciatus are not unique ,and the duration varied due to the different individuals, the average duration is 3.2 minutes . 4. when are flying , they are more sensitive to blue and green; while moved, they are more sensitive to black.

对双条杉天牛的生物学特性的研究结果表明：双条杉天牛出孔与温度有一定的相关性，温度过低，双条杉天牛停止出孔；对于树高7m以上的树，主要危害侧柏基部的1-3m的主干部分，3m以上基本不受害；双条杉天牛需要经过一段时间的抱合才能交尾，交配对象不专一，雌雄成虫均可以多次交尾，交尾时间长短不一，平均3.2min/次；飞行时对蓝色和绿色较为敏感，爬行时对黑色较为敏感。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。