The researchers believe it may also help plants to signal danger to one another.
科学家相信，作物释放这种物质也有助于向其他作物传递面临威胁的信号。
This was not the only danger signal.
这不是唯一的危险信号。
None of the failures seemed to signal an immediate danger, so the Thales AA was not removed from service.
这些故障似乎都没有显示出迫在眉睫的危险，所以泰勒斯AA 型飞机并没有停止服役。
What's more, when people are in danger and there is no mobile phone signal, they can use Beidou to send a 1200-word message to ask for help.
更重要的是，当人们处于危险之中而手机又没有信号时，他们可以使用北斗发送一条1200字的信息寻求帮助。
A train must not pass a signal that is at danger.
火车切不可越过危险信号。
Many have never been studied, leaving scientists in the dark about the potential threats and the meaning of their Morse code-like flashes that signal everything from love to danger.
其中许多从没有被研究过，不管是那些对它们潜在着的威胁，还是那些像莫尔斯密码一样传递着爱和危险信号的内在含义，这些都让科学家一头雾水。
The danger, says Mr Illarionov, is that Russia may interpret any wavering as a signal that America has abandoned Georgia and Ukraine, which might then lead to another military clash.
伊拉里奥·诺夫表示，危险在于俄罗斯可能将美国表现出来的任何迟疑看作是放弃格鲁吉亚和乌克兰的信号，这可能将导致新一轮军事冲突。
The danger, says Andrei Illarionov, a former Kremlin economic adviser, is that Russia will interpret any wavering as a signal that America has, in fact, given up on Georgia and Ukraine.
克里姆林宫前任经济顾问安德烈·伊拉里奥·诺夫指出，俄罗斯将美国的任何踌躇视为美国其实已在格鲁吉亚和乌克兰问题上做出放弃表态的一个信号，这才是真正的危险所在。
When they are in danger at sea, they send out an "SOS" signal.
当他们在海上遇到危险时，就发出“SOS”的信号。
A red light is usually a signal of danger.
红灯通常是危险的信号。
A red light is a signal of danger.
红灯是危险的信号。
Recognize excessive jealousy or possessiveness as a danger signal.
认识到过度嫉妒或拥有是一个危险的信号。
Red, the color of blood, proved a logical choice for the stop signal, as for thousands of years, this color forbade danger.
红色，血的颜色，作为停止信号，是一种合乎逻辑的选择。几千年来，红色预示着危险。
A red lamp is often a danger signal.
红灯常常是危险的信号。
A red light is a signal of danger, which is even known to a five-year-old child.
红灯是危险的信号，这一点就连五岁的孩子都知道。
However, the subject might also be a chimpanzee learning to use symbols to communicate, a white rat navigating a maze, or a sea slug responding to a danger signal.
然而，其主题也可以是学习使用符号进行交流的黑腥腥、在迷宫中航行的白鼠或是一只对危险信号做出反应的海参。
A red light is usually a signal of danger.
红灯通常是危险信号。
The composite flash relay is a kind of electronic product to control steering signal lights and danger alarm lights.
复合式闪光继电器是一种用来控制转向信号灯和危险报警灯的电子产品。
It does not take the viewpoint of self-nonself, but the absence or presence of danger signal.
它认为免疫系统不是区分自体和非自体，而是区分危险信号的有无。
The signal lights from lighthouses led ships away from danger, and showed them the way to their long-waited destinations.
灯塔的光茫，不但引导船只离开航道上的凶险，亦代表航行终点在望。
The system is composed of DSP, MPU and front channel modules to perform signal collection, data processing, output display, danger alarming and other functions.
系统由dsp、MPU和前向通道等模块组成，完成信号采集、数据处理、显示输出、报警提示等功能。
They have bad flavour and bright colour and this gay colouring serves as a danger signal to the birds, monkeys and spiders.
它们吃起来味道很差，但是却拥有亮丽的颜色，这种鲜明的颜色就为鸟、猴子和蜘蛛提供了危险的信号。
Conclusion: MSAF is a signal that the foetus is in danger. It is an important index to evaluate whether foetus is in safety or in danger.
结论：羊水粪染是胎儿在危险环境中的信号，是评估胎儿安危的一个重要指标。
The "Toyota SOS Car" receives the distress signal and locates the person in danger anywhere in the world and rescues the person immediately.
“丰田汽车SOS”收到求救信号，并在危险在世界任何地方找到该人，并立即抢救的人。
Not until the driver saw the signal of red traffic light had he been aware of danger.
高中英语直到驾驶员看到红灯信号时，他才意识到危险。
Not until the driver saw the signal of red traffic light had he been aware of danger.
高中英语直到驾驶员看到红灯信号时，他才意识到危险。
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