They're gradual variations but their effects can be pretty abrupt.
它们是渐进的变化，但它们的影响可能是相当突然的。
These light bulbs look the same, but their effects on the environment are different.
这些灯泡看起来一样，但对环境的影响各不相同。
Conclusion Both acute and chronic PRS induce visceral hypersensitivity, but their effects may be transient.
结论急性和慢性束缚应激都可以导致大鼠内脏敏感性增高，但其作用可能是短暂的。
Two other SNPs also showed significant gene-by-gender interactions, but their effects were not significant in either men or women alone.
另有两个基因变异表明，同性中，基因的变异对血压也会产生影响，但无论在男性还是女性中，这种影响和前者相比要小很多。
Industrial countries' agricultural policies may be aimed at solving domestic problems, but their effects spill over onto the rest of the world.
工业国的农业政策可能旨在解决本国问题，但其影响波及到了世界其他地区。
For a long time, there are no determinate limit between roughness and waviness of engineering surfaces, but their effects on the surface performance are different entirely.
工程表面结构的粗糙度和波纹度之间一直没有明确的界限，而它们的产生原因及对零件表面性能的影响却是不同的。
Reduction and modification of dietary fats have differing effects on cardiovascular risk factors (such as serum cholesterol), but their effects on important health outcomes are less clear.
饮食脂肪之降低与调整对心血管危险因子有不同的效果(像是血清胆固醇)，但它们在重要健康成果上的效果较不清楚。
None of these effects was large, but the study undermines the claim that immigrants steal jobs from natives or drag down their wages.
这些影响都不是很大，但这项研究推翻了移民从本地人那里偷走工作机会或拉低他们工资的说法。
But if we properly understand how organisms in the environment protect us, maybe we can give a vaccine or mimic their effects with some innocuous stimulus.
但是，如果我们正确理解环境中的生物体是如何在保护我们的话，也许我们可以用疫苗或利用一些无害的刺激来模仿他们的效果。
This resistance is not the result of altered receptors, but comes from the ability of proteins in their blood serum to neutralize the effects of venom.
这种抗性并不是受体变化的结果，而是松鼠血清里蛋白质的作用，它们能抵消毒液的影响。
At low doses, their effects aren't known, but may involve subtle and widespread stresses that ultimately change the composition of ecosystems.
如果含量过低，他们的效果还不是太清楚，但是可能最终还会引起生态系统组成的微小的、广泛的变化。
This has odd effects on the way such people, and their descendants, think and talk; this book analyses those effects shrewdly but not unkindly.
因此，对这些人以及他们后代的思维和说话方式产生了奇怪的影响。本书犀利但非苛刻无情地地分析了这些影响。
In theory a falling currency implies higher import prices as foreign producers pass its effects on to their customers. But these links are much weaker than they used to be.
这对于通胀的影响并不明显，尽管理论上贬值的货币导致更高的进口商品价格并传导到消费者，但是现在他们的联系比以往要弱多了。
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also have significant health effects.
大多数人都意识到了室外空气污染对健康有害，但是很多人却不清楚室内空气污染也会对健康产生严重的影响。
It is said to have the same effect as over-the counter pain relievers (but without their side effects).
据说姜黄跟非处方止痛药有同样的功效（但是没有副作用）。
Free radicals do cause damage, Hekimi said, but at normal levels their beneficial effects are perhaps more important.
海克米说，自由基确实会产生破坏作用，但是在正常范围内，它的积极作用或许更为明显。
Therefore, many men who are diagnosed with prostate cancer likely will be treated, but also may experience unnecessary and harmful side effects that could lower their quality of life.
因此，许多人可能得前列腺炎的人会被治好，但可能要经历不必要，甚至有害的降低生活质量的副作用。
These other countries will claim their difficulties result from the contagion effects of Greece's imminent default, but that excuse is not persuasive.
其他这些国家将会宣称他们的困境都要归因于希腊正在迫近的债务偿还不能所造成的传染效应，不过这种理由并不能成立。
The effects of calling the admin( ) and task( ) functions with the same argument list are equivalent, but their return values, which indicate the result of the operation, have different data types.
用相同的参数列表调用admin( )和task( )函数的效果是相同的，但是它们返回的表示操作结果的值有不同的数据类型。
Everyone possesses all the genes in question, says Rose, but in different forms, or versions, which either amplify or dampen their effects.
Rose说，每个人都拥有这些基因，然而以不同的形状和形式表现，或是增强或是削弱基因的效果。
But the only requirement is that they notify the project if they suffer any adverse effects from their participation.
唯一的要求是，当他们因参与此工程而受到任何不利影响时，一定要通知项目研究人员。
Many young people know about the effects street drugs can have on their physical health. But not as many are aware of the effects it could have on their mental health.
许多年轻人都知道街头毒品对人身体健康产生的影响，但并不是很多人都能意识到它们还会对人的精神健康产生影响。
The drugs do have side effects, but patients would much rather have weight gain and elevated lipids so that their brain could function normally.
药物确实有副作用，但是患者宁愿有体重增加和高血脂，也不要他们的大脑工作异常。
Eliminating that risk altogether is impossible, but if regulators act now while the rules are still malleable, they can make such crises less likely and reduce their harmful effects.
消除所有的风险是不可能的，但是如果监管机构现在行动，同时规则的弹性大，这些危机可以减少发生并且危害较小。
But when you combine them with positive thinking their beneficial effects increase exponentially.
如果你把它们加入你的积极思考的话，它们的功效将成倍增长。
Little is known about the possible ill-effects of the drugs on the foetus but scientists say their benefits are likely to be greater than the risks.
目前还不清楚该药物是否对胎儿有副作用，但科学家称这样做的好处远甚于其风险。
Little is known about the possible ill-effects of the drugs on the foetus but scientists say their benefits are likely to be greater than the risks.
目前还不清楚该药物是否对胎儿有副作用，但科学家称这样做的好处远甚于其风险。
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