The contract was awarded to a previously unknown company.
该合同给了一家先前不知名的公司。
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
The team was led by Dr. Graham Reynolds, from Harvard University, the scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
该研究小组由哈佛大学的格雷厄姆·雷诺兹博士带队，这位科学家在对组织样本进行基因分析后，确认这条蛇是一个此前不为人知的种类。
Thanks to the automobile, Americans soon had a freedom of movement previously unknown.
由于有了汽车，美国人很快就获得了前所未有的行动自由。
A previously unknown phenomenon.
一种之前人所未知的现象。
But the majority are unique, and previously unknown to science.
但是，绝大部分基因都是独一无二的，并在此前不为科学所知。
Sometimes you discover new, previously unknown parts of yourself.
有时，你还可以发现你不曾知道的自己的才能。
It has provided a lexicon of proteins, including many previously unknown ones.
它提供了一本蛋白质字典，包括很多先前未知的蛋白质。
But it has been enormously successful at identifying previously unknown individual genes.
但是在确定未知的单个基因方面，它获得巨大的成功。
What's more, said Stone, it found several strains of previously unknown microscopic organisms.
斯通表示，值得一提的是，它发现了一些以往未知微生物的新品种。
Since 1977 more than 1,300 species previously unknown to science have been discovered at the vents.
自1977年，超过1300种未知物种在热泉喷口附近被发现。
The identification of previously unknown target sites for antimicrobial action has proved difficult.
经证明很难确定先前未知的抗菌素作用靶位。
Since 1977 more than 1, 300 species previously unknown to science have been discovered at the vents.
自1977年，超过1300种未知物种在热泉喷口附近被发现。
Many of the bones bear cut marks that point to a previously unknown Himalayan death ritual, experts say.
专家表示，许多骨头上都有切割痕迹，这表明了一种鲜为人知的喜马拉雅人的死亡仪式。
But the greater transparency also could highlight previously unknown vulnerabilities in parts of the banking system.
但是公开的细节越多越透明，银行业部分以前未知的弱点也会得到放大。
People using Provigil or Ritalin may eventually be found to have a legitimate but previously unknown need for the drug.
最终可能会发现，那些人是出于先前不为人所知的正当理由，才服用Provigil或者利他灵的。
It should then be possible to discover new uses for existing drugs as well as previously unknown mechanisms of action.
这将有助于发现已存在药物过去未知的机制及新用途。
September's quake, along a previously unknown fault line, had unnerved locals. How and where to rebuild are now big questions.
去年九月的地震——单是一条尚不为人知的断层线——就令当地人感到焦虑不安，至今，何时何地重建新城还悬而未决。
There is even an outside chance that this unexpected effect is brought about by a previously unknown particle emitted by the sun.
存在一种极小的可能性，即这种意想不到的效应是由一种太阳发射出的不曾被了解的粒子造成的。
According to a paper published this year, it’s Inkayacu paracasensis -- a previously unknown, 36-million-year-old penguin from Peru.
今年发布的一篇论文说这种动物是Inkayacuparacasensis（意即“水中之王”）——从秘鲁发现的之前不为人知的一种3千6百万年前的企鹅。
According to a paper published this year, it's Inkayacu paracasensis -- a previously unknown, 36-million-year-old penguin from Peru.
今年发布的一篇论文说这种动物是Inkayacuparacasensis（意即“水中之王”）——从秘鲁发现的之前不为人知的一种3千6百万年前的企鹅。
In the case of Whipple's disease, it even led to the identification of a previously unknown bacterium (Tropheryma whipplei) as the cause (Ref.4).
比如在研究惠普尔氏病的时候，就发现了之前不知道的致病细菌Tropherymawhipplei (Ref . 4)。
In attempting to discover the identity of the real murderer, though, the mother finds herself a part of the previously unknown dark side of her small Korean town.
然而，在寻找真凶的过程中母亲却意外地揭开了自己所住的韩国小镇内不可告人的秘密，而自己竟然也是其中的一部分。
Highlighting the potential of further study, they found that one particular gene is involved in a previously unknown metabolic process that can lower bad cholesterol.
研究者们强调了深入研究的巨大潜力：他们发现其中一个基因参与一种未知的可降低有害胆固醇的代谢过程。
Aldenderfer and his team think the practice of de-fleshing corpses and entombing them in caves might be a previously unknown bridge between two other known death rituals.
Aldenderfer和他的团队认为，把尸体剥离皮肉和把他们安葬在洞穴中的这种行为可能是一条以往不为人知的纽带，联系了两种其他已知的死亡仪式。
A team of scientists at MIT have discovered a previously unknown phenomenon that can cause powerful waves of energy to shoot through minuscule wires known as carbon nanotubes.
由麻省理工学院的科学家组成的一个研究小组发现了一个人们没有发现的现象，这种现象能够产生强有力的能量波，可以穿过叫做碳纳米管的细微导线。
This figure was previously unknown, because data on arrests are kept on a separate database (in the Home Office) from the data on charges and trials (in the Ministry of Justice).
这一数字之前未知，因为关于逮捕的数据(储存于内政部)与起诉和审判数据(储存于司法部)分离，储存在单独的数据库中。
This figure was previously unknown, because data on arrests are kept on a separate database (in the Home Office) from the data on charges and trials (in the Ministry of Justice).
这一数字之前未知，因为关于逮捕的数据(储存于内政部)与起诉和审判数据(储存于司法部)分离，储存在单独的数据库中。
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