I mean no one really thinks that a bee goes through weighing the pros and cons of pollinating this flower or that flower.
我的意思是，没有人会真的认为一只蜜蜂会权衡选择给这朵或那朵花授粉的利弊。
But does pollinating monocultures threaten the insects' health?
但给单一作物传播花粉威胁这昆虫的健康吗？
Bees are vital to the nation's food supply because of the role they play in pollinating crops.
由于蜜蜂在作物授粉中扮演重要角色，因此对全国食物供应也有至关重要的作用。
It can be positive (a beekeepers' bees pollinating neighboring crops) or negative (pollution from a power station).
外部性可能是有益的(养蜂人的蜜蜂为邻居的庄稼授粉)，也可能是有害的(如来自发电厂的污染)。
The bees also play a vital role in pollinating flowers to sustain vegetation.
蜜蜂也扮演传播花粉以维持植物生长的关键角色。
Not just bees, but all 4)pollinating animals have been disappearing for decades.
不只是蜜蜂，各种授粉动物也在这数十年间逐渐消失。
Different pollinating species appear to have unique volatile profiles which could account for host-specificity.
不同的传粉榕小蜂能够识别自身寄主所释放的唯一的化学挥发物。
The pair co-evolved, so their pollinating parts are a perfect fit, and the night feeder can see the flower in the dark.
协同进化的昆虫和花朵完美的匹配起来，使得夜间采食者在黑暗中也能看清楚花朵的位置。
The results could mean that the decline of pollinating animals worldwide does not spell the end for all native plants.
该科研结果可能意味着，全球授粉动物数目的下降并不预示着所有原生植物将走向末日。
Colds are worse in winter while seasonal allergies are more common from the spring to early fall when plants are pollinating.
冬天会加重感冒，而季节性过敏的高发率往往出现在从春天到早秋，因为植物会在这段时期传授花粉。
The relation between different pollinating solution and seed set of outcross in the breed of wheat Mianyang31 1 was studied.
本文研究了不同成分的授粉液与小麦品种绵阳311异交结实的关系。
As managed bees take a hit, so too do wild pollinators, whose work pollinating U.S. crops is worth about three billion dollars annually.
人工饲养的蜂群遭受重创，野外传粉者的日子也不好过，它们每年帮助美国农作物传粉的工作价值约为30亿美元。
As managed bees take a hit, so too do wild pollinators, whose work pollinating U. S. crops is worth about three billion dollars annually.
人工饲养的蜂群遭受重创，野外传粉者的日子也不好过，它们每年帮助美国农作物传粉的工作价值约为30亿美元。
Also, the species and population of pollinating insects were found to be the most optimal in the fields of mixed alfalfa and sainfoin.
苜蓿——红豆草混播田内传粉昆虫的种类多，且种群数量最高。
As well as enhancing our understanding of how bees move around the landscape pollinating crops and wild flowers, this research, has other applications.
除了加深我们理解蜜蜂如何在田野中飞行以及对农作物和野花进行授粉外，研究还可以应用在其他领域。
Forest insects are mainly divided into natural enemies, pollinating insects, medical insects, edible insects, industrial insects and cultural insects.
我国森林昆虫的开发与利用主要集中在天敌昆虫、传粉昆虫、药用昆虫、食用昆虫、工业用昆虫和文化昆虫等六大类。
The economic benefits of nature are seen most clearly in food production, which depends on organisms such as soil microbes, earthworms and pollinating insects.
大自然的经济效益突出表现在粮食生产上，粮食生产有赖于土壤微生物、蚯蚓和授粉昆虫等有机体。
Red raspberries and blackberries are self-pollinating, meaning that they can supply their own pollen and form fruit without needing insects to ferry pollen for them.
红莓和黑霉都是自花传粉的，这就是说，它们无需昆虫为它们传粉就能自己供应花粉，形成果实。
The style may be elongated in plants relying on wind, insect, or animal pollination so that the stigma has a greater chance of coming into contact with the pollinating agent.
花柱可在进化中相应的被延长以适应风媒、虫媒、或动物传粉等不同方式，可以使柱头有更大的机会与传粉者相接触。
This article deals with the species of bees pollinating Amomum compactum, along with the laws governing their growth and decline, and the pollinating effect of Nomia and Ceratina in the field.
本文记述了为白豆蔻传粉的花蜜蜂种类、传粉行为，并对彩带蜂、芦蜂在田间的消长规律及访花传粉效果进行了调查测定。
But a small patch of pristine New Zealand woodland still exists, affording the researchers the opportunity to investigate the impact of losing key pollinating species on endemic plant species.
但仍然有一片新西兰林地完好无损，使得研究人员有机会调查失去关键的授粉物种将对特有植物品种产生什么样的影响。
But a small patch of pristine New Zealand woodland still exists, affording the researchers the opportunity to investigate the impact of losing key pollinating species on endemic plant species.
但仍然有一片新西兰林地完好无损，使得研究人员有机会调查失去关键的授粉物种将对特有植物品种产生什么样的影响。
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