If the male frog could manage not to go through this freezing cycle, he'd probably have more success in mating.
如果雄蛙能够设法不经历这样的冻结周期就更可能交配成功。
Since there is a strong correlation between these variables and a country's wealth, they controlled for GNP per head by measuring whether it alone accounted for the difference in mating strategy.
由于这些指标与一个国家的财富密切相关，他们以人均国民生产总值为控制变量来看它是否能够单独解释择偶策略的差别。
But important questions remain, he says. For example, male humpback whales sometimes sing as they move in and out of competitive groups, but researchers don't know what role the songs play in mating.
但重要的问题还是，他说，比如，雄性驼背鲸有时候在进入或离开一个竞争性群体时唱歌，但研究者不清楚唱歌在其中起什么作用。
In studies, we found that when it comes to reproduction, freezing diminishes the mating performance of males.
我们在研究中发现，在繁殖方面，严寒会削弱雄性的交配表现。
Now when they emerge in the spring from hibernation, the mating process begins.
现在，当它们从冬眠中醒来时，交配的过程就开始了。
Play can also provide practice in social behaviors needed for courtship and mating.
玩耍还可以为求爱和交配所需的社会行为提供练习。
When female cowbirds raised in isolation in soundproof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior.
当雌性牛鹂被单独养在隔音的房间里，听到雄性歌声的录音，它们就会表现出求偶行为。
When female cowbirds raised in isolation in sound-proof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior.
当把雌性牛鹂单独养在隔音的房间里，让它们听到雄性的歌声，它们就会表现出交配行为。
The positive and negative di-mon mating hybrids are homogenous heterokaryons in Lentinula edodes.
香菇双单杂交后代是同质异核体。
Males accomplish this feat by embracing the object of their affection in a tight mating "hug" called amplexus.
雄蟾蜍要完成这一壮举，必须紧紧拥抱自己的“心上人”，即“抱合”。
This study indicate that di-mon mating hybrids are homogenous heterokaryons in Lentinula edodes.
本研究表明，香菇双单杂交后代是同质异核体。
They will be housed in separate enclosures at the city’s zoo and brought together for their annual mating season, which lasts only between two and seven days between March and May.
在爱丁堡动物园，除了交配季节之外它们会被分开饲养。 大熊猫的交配季节很短，仅有二到七天，一般在三月到五月之间。
In fact, though worlds away from us as a species, some female Wolf spiders also make their mating choices on the basis of familiarity.
实际上，同看整个世界，除了人类这一物种外，雌性狼蛛也是以熟悉程度来选择配偶的。
Of course men find a pretty face attractive but they make that decision on whether a woman would be a good mating partner in milliseconds.
男性自然能发现那张对自己极具吸引力的漂亮面孔，但他们能在千分之几秒内就确定该女子是否为合适的求偶对象。
Sage grouses, though greatly reduced in number, still do a fancy fandango of a mating dance on the springtime prairie.
虽然鹬的数量大幅减少，但在春天的草原，仍能看到它们以花式的西班牙舞步跳着求偶舞蹈。
In other words, the prevalence of violent crime seems to predict mating preferences only in so far as it reflects a country's relative penury.
换句话说，就目前而言利用暴力犯罪的流行程度来预测择偶偏好只适用于一个相对拮据的国家。
We know that animals use pheromones to alert their peers of things like mating, food sources, and danger, and researchers hypothesize that pheromones can play a role in human behavior as well.
动物靠信息素来提醒同类诸如求偶、食物来源、危险等信息。研究人员假设信息素在人类行为中也起了一定作用。
It is just after dawn and raining lightly, the kind of weather Macgregor's bowerbirds prefer in the mating season.
天刚刚破晓，下起小雨，正是冠园丁鸟繁殖时节求偶的理想天气。
The spider also USES its third pair of legs in the mating display, raising them to show a brush of black hairs and white tips.
这蜘蛛还会在求偶大会中使用第三对后肢，像秀黑发梳、白色梳齿一样升高。
The insects in question were scorpion flies, and the observation was that those flies whose wings were most symmetrical were the ones that did best in the mating stakes.
他研究的昆虫是蝎蝇，通过观察他发现那些翅膀最对称的蝎蝇在求偶中做得最好。
They decide whether a woman would be a good mating partner in milliseconds, much quicker than was previously thought.
而此次研究发现，男人在几毫秒内就可判断一个女人是否是自己的理想伴侣，时间远远快于此前的设想。
When installing a pinch valve to a rubber, PVC, or any "slick" mating flange, we recommend that you install a metal serrated gasket between the two flanges to assist in the seal.
在安装夹管阀时，如果采用橡胶、PVC或任何“光滑的”配套法兰，则我们建议在两个法兰之间加装一个金属锯齿垫圈以增强密封效果。
Installation, connection, testing, experiment and mating of additional equipments required in system.
系统尚需增加的各类设备的安装、连接、调试、试验及配合。
Analog training equipments installation, connection, testing and mating in analog training centre.
模拟培训中心的培训模拟设备的安装、连接与调试配合。
In mass production, where mating parts must be interchangeable, unilateral tolerances are customary.
大规模生产中配合零件必须能互换，单向公差是经常遇到的。
Large weldments in die structure will be machined on the mating surfaces, screwed together, welded, and normalized before final machining.
模具中的大型烧焊件必须在配合面上进行加工并用螺丝所在一起，在最终加工前必须焊接及处理。
Large weldments in die structure will be machined on the mating surfaces, screwed together, welded, and normalized before final machining.
模具中的大型烧焊件必须在配合面上进行加工并用螺丝所在一起，在最终加工前必须焊接及处理。
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