Photoreceptors are cells that respond to light by sending out a chemical signal.
光感受器是通过发出化学信号来对光作出反应的细胞。
Consumers may take CSR spending as a "signal" that a company's products are of high quality.
消费者可能将企业社会责任支出视为企业产品质量高的“信号”。
Presently it occurred to Tom that maybe Huck might come this very night and give the signal.
汤姆忽然想到，也许哈克今晚就会来发出信号。
First, consumers may take CSR spending as a "signal" that a company's products are of high quality.
首先，消费者可能将企业社会责任支出视为企业产品质量高的“信号”。
The best signal depends not only on its brightness but also on how well it contrasts with the background against which it must be seen.
最好的信号不仅取决于它的亮度，还取决于它与背景的对比度。
The central bank's task is to unscramble price signals distorted by panic, not to protect the markets from a signal that they do not like.
中央银行的任务就是解读被恐慌扭曲的价格信号，而不是保护市场不受他们不喜欢的信号的影响。
By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.
通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。
The predictive signal is a steady rhythm of alpha waves emanating from the brain's right hemisphere, which are closely associated with relaxing activities.
预测信号是大脑右半球发出的稳定节奏阿尔法波，与放松身心的活动密切相关。
As these experiments show, begging apparently provides a signal of need that parents use to make judgments about which offspring can benefit most from a feeding.
正如这些实验所显示的，乞求显然提供了一种需要的信号，父母可以利用这种信号来判断哪些孩子能从喂食中获益最多。
If something goes wrong—a hungry lizard prowling around for an ant snack, for instance—then a rush of ants returning without food sends waiting reserves a "Don't go out" signal.
如果出了什么问题——比如，一只饥饿的蜥蜴在四处寻找蚂蚁作为零食——那么一群没有食物的蚂蚁就会匆匆归来，给等待的蚂蚁发出“不要出去”的信号。
As it turns out, boredom might signal the fact that you have a need that isn't being met.
事实证明，无聊可能表明你的需求没有得到满足。
I have already pointed out that people repeat ideas to signal they are part of the same social group.
我已经指出，人们重复某个观点是为了表明他们属于同一社会群体。
Feeling bored may signal the desire for a greater sense of community and the feeling that you fit in with others around you.
感到无聊可能表明你渴望更强烈的归属感，并觉得自己能融入周围的人。
With the use of eye-tracking technology, Julia Minson of the Harvard Kennedy School of Government concluded that eye contact can signal very different kinds of messages, depending on the situation.
通过使用眼球追踪技术，哈佛大学肯尼迪政府学院的朱丽亚·明森得出结论，眼神交流可以视情况而定传递截然不同的信息。
It's a signal we should be picking up and not ignoring.
这是一个我们必须面对且不能忽视的信号。
Conway flashed a distress signal with his pocket light.
康维拿袖珍手电打出了遇险信号。
Red appears to signal rank in virtually all cultures.
红色被认为在大多数文化里都象征着非凡的地位。
My left turn signal was out so I had to make all right turns to get to work。
我的左转灯坏了，所以我得一路右转才能到单位。
As a pediatrician, I know fever is a signal that the immune system is working well.
作为一名儿科医师，我知道发烧是身体免疫系统运行良好的一个信号。
Showing up late for those appointments is a bad signal to the person you're meeting.
赴约迟到的话，对于你要见的人可不是个好的信号。
In this way, the signal gets passed around the brain like a baton in a footrace.
用这种方法，信号就像赛跑中的接力棒一样，传递到大脑各处。
Each blinking pattern is an optical signal that helps fireflies find potential mates.
每一个闪烁模式都是帮助萤火虫发现潜在配偶的光信号。
We anticipated each other's moves and interpreted the slightest signal from the other.
我们会预想对方的舞步，并能理解对方的信号，无论这个信号多么细微。
The wrasse's stripes may signal that it is a useful helper rather than a ready meal.
它身上的条纹可能暗示它是有用的帮手，而非一顿餐点。
It produces an inverted sound wave to cancel out unwanted noise in the headphone signal.
随后它便产生逆向声波从而消除耳机信号中不需要的噪声。
No matter where the radar signal hits the plane, some of the signal gets reflected back.
雷达信号接触到飞机的任何部位，都会有部分被反射回来。
The most dire signal is that your habits are hindering progress toward your common goals.
最可怕的信号是你的这些习惯在阻碍着你们共同目标的实现。
The move was part of a clear signal that Howard Stringer would pass the baton to him.
这清楚地表明现任CEO霍华德•斯金格会把索尼的权杖交给他。
The move was part of a clear signal that Howard Stringer would pass the baton to him.
这清楚地表明现任CEO霍华德•斯金格会把索尼的权杖交给他。
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