几乎没有能证实这些断言的科学证据。
There is little scientific evidence to substantiate the claims.
这种理论缺乏决定性证据，就连科学也不能确定。
最近的一项研究发现，即使没有科学证据表明食品有害，带有“不含”字样的标签也会使其污名化。
A recent study found that absence claims labels can create a stigma around foods even when there is no scientific evidence that they cause harm.
当且仅当有可重复的科学证据证明蝾螈之眼有效时，蝾螈之眼才会进入小黑袋中。
Eye of newt goes into the little black bag, if and only if there is reproducible scientific evidence that it works.
来自澳大利亚、加拿大和美国等国家的科学证据清楚地表明，这种鸟类的数量下降了。
The scientific evidence from countries like Australia, Canada, and the USA clearly indicates a decline in the birds' numbers.
人们做科学工作首先从观察证据开始。
People all begin scientific work with the observation of evidences.
从观察和实验中得到的证据经常被用来证实科学理论。
Evidence obtained from observation and experiment is often used to confirm a scientific theory.
有科学证据表明我们的直觉是正确的，即被植物环绕着有益健康。
There is scientific evidence to support our instinct that being surrounded by plants is good for health.
他们被仅凭法庭科学证据定了罪。
科学家称没有有力证据证明电线能致癌。
Scientists say there is no convincing evidence that power lines have anything to do with cancer.
科学家们已经发现了非同寻常的新证据，证明睡眠时我们的身体如何自行恢复。
Scientists have discovered remarkable new evidence showing how the body rebuilds itself while we sleep.
到目前为止，科学家们几乎没有该药物在防止更严重的感染后果的功能的明确证据。
Until now scientists had very little clear evidence about the drug's role in preventing more serious effects of infection.
目前，有可靠的科学证据表明，澳大利亚最早的岩石表面艺术创作可追溯到3万至5万年前。
Currently, reliable scientific evidence dates the earliest creation of art on rock surfaces in Australia to somewhere between 30,000 and 50,000 years ago.
科学家们已经获得了更多的证据来证明塑料正在进入人体内。
Scientists have obtained more evidence that plastic is finding its way into the human body.
一些科学家并不否认外星人的存在，但是需要进一步的证据来证实。
Some scientists don't deny the existence of aliens, but further evidence is still needed to confirm it.
但科学家们周一发布了一份报告，用确凿的证据证明了“丢失的狮子”的发现。
But scientists released a report Monday documenting, with hard evidence, the discovery of "lost lions".
尽管有许多证据表明鸟类是从陆生兽脚亚目恐龙进化而来的，但一些科学家仍然表示怀疑。
Although many lines of evidence indicate that birds evolved from ground-dwelling theropod dinosaurs, some scientists remain unconvinced.
研究人员在《国家科学院院刊》上报告称，它们可能是古代的“酿酒工具”，也是中国酿造啤酒最早的直接证据。
They may be ancient "beer-making tools", and the earliest direct evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.
科学家们于周一发布了一份报告，该报告附有“消失的狮子”被发现的确凿证据。
Scientists released a report Monday documenting, with hard evidence, the discovery of "lost lions".
科学家们收集证据。
然而，并没有科学证据来支持这一观点。
However, there is no scientific evidence to support this idea.
决策基础应当是无偏见的科学证据，而不是烟草业的说词。
Base decisions on impartial scientific evidence, not on the claims of the tobacco industry.
她说，现在，有科学证据证明，这些好处值得人们付出努力去寻求这些方案。
Now, she says, there is scientific proof that the benefits are worth the effort of seeking these programs out.
要相信科学证据。
科学证据表明，父母根据孩子们的大脑倾向作不同的反应。
Scientific evidence shows parents respond to the brain bias of their children.
首先，划分出的每种类别背后都有强大的科学证据支撑。
First, each of the categories has strong scientific evidence behind it.
哥本哈根采取行动的呼吁具备很强的科学证据作基础。
The scientific evidence which underpins calls for action at Copenhagen is very strong.
我们的政策以科学证据为基础，并不考虑既得利益。
Our policies are guided by scientific evidence, and not by vested interests.
我们的政策以科学证据为基础，并不考虑既得利益。
Our policies are guided by scientific evidence, and not by vested interests.
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