Petasites species have very high values in medication and economy. Many foreign experts pay more attention to petasites species, but studies on petasites are few in China.
菊科蜂斗菜属植物，因其具有较高的药用价值与经济价值，被国外很多专家所看重，而我国目前对于蜂斗菜资源的研究尚在起步阶段，研究文献较少。
There were a lot of reports on chemical composition and their pharmacologic action from Smilaxglabra, but studies on inhibition against tyrosinase and antioxidant activitys were not reported.
近年来，对土茯苓化学成分及其药理作用的研究报道较多，但研究土茯苓中对酪氨酸酶有抑制活性的化合物及其抗氧化作用的报道未见。
There's also been a great increase in the number of networking sites devoted to sharing advice on health issues but there are as yet no studies to prove the reliability of that advice.
致力于分享健康问题建议的社交网站的数量也在大幅增加，但目前还没有研究证实这些建议的可靠性。
Studies have shown that air pollution has a great effect on the white matter in the brain, but not the grey matter.
研究表明，空气污染对大脑中的白质有很大影响，但对灰质没有影响。
I base this conclusion not on any individual study, but on large-scale and systematic reviews of thousands of studies conducted in every major English-speaking country.
我的结论不是基于任何个体研究，而是基于对每个主要英语国家进行的数千项研究的大规模系统回顾。
Oatley was not involved in the new research, but worked on some of the first studies to suggest that reading literature can boost people's empathy for others.
奥特利没有参与这项新研究，但参与了最早的一些研究，这些研究表明阅读文学作品可以增强人们对他人的同情心。
But case studies do not measure the overall impact of tax cuts or spending increases on output.
但个例研究并不能用来测量减税或财政开支增加对产出的总体影响。
Twin studies such as these point the way, but they provide only superficial explanations of what is going on.
诸如此类对双胞胎的研究点明了行径的方向，然而他们仅提供了运行的表面解释。
But that and similar subsequent studies have been based solely on models because of a lack of available data.
但是由于缺乏可利用的数据，这一报告和随后的相似研究只能依据模型。
But according to studies on swarm intelligence, what appears to be intelligent behavior actually results from nothing more than the complex interaction of simple actions.
但根据对群体智能的研究表明，那些看起来是智能行为的举动实际上来自无意识而不是简单行动的复杂互动。
Studies on the effects on animals can be more controlled, but there is always a danger in extrapolating the effects on animals to those on man.
在动物上的影响的研究可以更受控制，但根据对动物的影响去推断对人的影响通常都会有危险。
When it comes to research on forgiveness, generally women are more forgiving than men, but those studies didn't ferret out the marriage factor.
当人们在研究原谅时，通常而言，女性比男人更容易原谅他人，然而这些研究并未查明在婚姻中的事实。
Studies have shown that females scored lower on the SAT than males, but overall women have better grades in high school and college.
有研究显示，女生在SAT中取得的成绩比男生低，但总的来说女生在高中和大学里的成绩都比男生好。
The team focused exclusively on the inner ear in its studies, but Someya says other body systems might also benefit from the antioxidants.
虽然这个研究组仅关注其对内耳的影响，但染谷认为抗氧化剂同时也会对身体其他部分有益。
This is not the first time that brain structure has been compared in this way, but earlier studies had been based on post-mortem comparisons.
这不是大脑结构第一次被这样进行比较，但是之前的研究建立在对死者的研究上。
Studies on the latter group would be difficult to conduct, but the GACVS encourages further research.
在这些婴儿中开展研究比较困难，但GACVS鼓励在这方面开展进一步的研究。
We have done studies on micro-energy and renewables, but they are expensive.
我们已经对微能源和可再生能源进行了研究，不过它们都过于昂贵。
Altman went on to publish other studies, but his research was ignored and rejected.
奥尔特曼不断发表他的研究成果，但是他的研究总被大家所忽视并驳回。
Data on the use of donated blood is limited, but studies suggest that transfusions are often given unnecessarily when simpler, less expensive treatments can provide equal or greater benefit.
有关捐献血液使用状况的数据很有限。但研究显示，所进行的输血经常是没有必要的，因为采用更简便且费用不高的治疗方法即可获得同样或更显著的疗效。
ECONOMIC studies of the middle classes are plentiful, but opinion-poll research is thin on the ground.
从经济角度对中产阶级进行的调研已经非常多了，然而很少有人对他们进行民意测验。
But with exams looming, he decided he needed to focus more on his studies.
但是随着考试的逼近，他决定要在学业上花更多心思。
Now that schools have opened, some children are finding it difficult to focus on their studies, but many are glad to be back to the comfort of routines.
现在学校已经复课，一些孩子感到自己难以集中精神学习，但是许多儿童还是很高兴回到日常的快乐生活。
There is a limit that is not based on animal studies, but we can't be certain that even the small amount is safe in humans, especially if consumption of the chemical goes on for years.
目前有一个并非基于动物研究的三聚氰胺的数额限值，但我们不能确定，即使是这少量的数额是否对人类来说就是安全的，尤其是经过长年累月的摄取三聚氰胺。
But studies have found that women who sound more feminine were more likely to cheat on their partners, perhaps because they attract more interest and have more opportunities.
但研究也表明，说话声音更有女人味的女性也更容易背叛自己的另一半，或许因为她们更有吸引力，出轨机会更多。
But studies have found that women who sound more feminine were more likely to cheat on their partners, perhaps because they attract more interest and have more opportunities.
但研究也表明，说话声音更有女人味的女性也更容易背叛自己的另一半，或许因为她们更有吸引力，出轨机会更多。
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