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To many of the people there, Lincoln's victory was a signal that ended the state's ties to the Union.
VOA: special.2009.07.16
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When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.
当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。
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This same thing happens here, there's a transduction, one kind of a signal gets converted to another kind of a signal.
这两种过程是相同的,都是一个信号转换的过程,一种信号转化为另一种信号
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About eighty percent of all people are said to live within reach of a wireless telephone signal.
VOA: special.2009.02.02
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What happens is a negative symptoms are alleviated, and we start to resurrect the signal in this part of the brain.
结果阴性症状得到了缓解，而大脑中这一部分区域的信号,也开始得到恢复。
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The device sends a signal to a computer at the back of the car.
VOA: special.2009.11.03
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This densely tangled thicket of clustered consonants in this amazing couplet is a signal to us of the weight, of the import, of this terrible event.
这个密集杂乱的灌木丛,在这个对句中，弥尔顿给我们传递出一个信号，在这个可怕的事件中。
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AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.
VOA: special.2010.12.08
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Most frequently, chord changes come on the downbeat so composers signal to us in a fourth way the downbeat by means of chord change.
通常,和弦的变化都在重拍上,所以作曲家们用这第四种途径,通过和弦的变化告诉我们重拍的位置
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A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.
VOA: special.2010.01.26
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Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.
这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。
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Whereas it is the duty of all nations to acknowledge the providence of almighty God, to obey his will, to be grateful for his benefits, and humbly to implore his protection and favor and whereas both houses of Congress have by their joint committee requested me "to recommend to the people of the United States a day of public thanksgiving and prayer to be observed by acknowledging with grateful hearts the many signal favors of Almighty God, especially by affording them an opportunity peaceably to establish a form of government for their safety and happiness."
VOA: special.2009.11.23
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This is commonly used in the immune system as well, but it's a way of amplifying a signal.
免疫系统也常使用这种方法,但这主要是一种放大信号的方式
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The Palestinians say they will be there too, but they say the meeting does not signal a formal resumption of peace talks.
VOA: standard.2009.09.19
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In the case of a ligand-receptor, a chemical signal in the form of a concentration of ligand gets converted into a biochemical signal.
在配体-受体系统中,配体浓度这种化学信号,转化为生化信号
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But Biden also had to soothe concerns that scrapping Bush-era plans for a more comprehensive system does not signal a breakdown of Polish-U.S.relations.
VOA: standard.2009.10.21
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What happened in that case is he has learned that the raising of a hand is a signal that he is about to be hit and so he responds to that signal.
在这个例子中，他知道,举起的手臂是他即将挨打的信号,因此他对这个信号作出了反应。
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"This is a signal to the United States by the rest of the world that we did something very right in the election of Barack,"
VOA: standard.2009.12.10
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This is a signal - this passing of phosphorous - is a signal that's used very frequently in intracellular communication.
这是一种信号,一种通过磷酸来传递的信号,这种信号在细胞内通讯时经常被用到
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Republican Representative Dan Burton said Congress should send a signal in every piece of legislation it approves that Tehran's ballistic missile and nuclear aspirations are unacceptable.
VOA: standard.2009.05.20
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That was some, not too complicated, but hopefully understandable description of a whole area of biology called signal transduction.
这些并不复杂,却有希望描述清楚,生物学领域一大类现象,称为信号转导
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Or maybe,instead of a radio signal, an alien civilization sent us something physical.
VOA: standard.2010.04.16
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A reaction performed by one enzyme creates a product that stimulates another enzyme that creates a product, and stimulates another enzyme, and through this cascade of reactions you amplify and carry the signal forward.
一种酶催化生成的产物会活化另一种酶,而它催化的产物又能激活其他酶,催化反应生成另一种产物,通过这层层反应,信号被放大,并不断向前传递
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A more intriguing possibility is that our genetic makeup includes a signal encoded by aliens in our DNA that might have been left hundreds of millions of years ago.
VOA: standard.2010.04.16
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Well, one reason to do this is because on each post-synaptic neuron there might be many axons coming together at once, and each one might be generating a different kind of signal, through maybe even different neurotransmitters.
嗯 一个原因是在每个,突触后神经元上可能有,许多同时到达的轴突,每个都可能通过不同的神经递质,产生不同的信号
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The alleged use of special operations troops in the raid could signal a shift away from the controversial U.S.tactic of relying on long-range missile assaults to take out terrorist targets.
VOA: standard.2009.09.15
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Now, in this cartoon here I've shown a variety of different receptors just to show just to remind you of the different families of receptor molecules that could be involved in receiving and translating a signal.
这个动画中,我向你们展示了各式各样的受体,为了让你们记住不同族的受体分子,它们都涉及信号的接受和翻译过程
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Iftekhar Ahmed Chowdhury, a fellow at the Institute of Asian Studies at the National University of Singapore, says the meeting appears to signal Burma's willingness to engage with the United States.
VOA: standard.2009.08.14
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One is that there's a physical space in between the two cells, so the axon of what's called the pre-synaptic neuron, or the neuron that's bringing a signal into the synapse, the axon terminal is physically separated from the dendrite of the next cell.
一是两个细胞间有一定的物理空间,所谓的突触前神经元,也就是将信号传递到突触的神经元的,轴突的末梢,同下一个细胞的树突间被物理性分离开
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It gets produced in response to a signal so there's a binding of a ligand to a receptor, the enzyme that does this conversion is activated and more cycle AMP is released.
这类分子的产生是对信号做出的一种反应,当配体和受体结合时,催化这种转化过程的酶被激活,更多的cAMP释放出来
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