It sounds like an air raid siren.
这听起来像是空袭警报。
There were 15 minutes between the first air raid alert and the sounding of the all-clear signal.
从第一个空袭警报到警报解除号音其间有15分钟。
This photograph by Adnan Hajj, a Lebanese photographer, showed thick black smoke rising above buildings in the Lebanese capital after an Israeli air raid.
这张由黎巴嫩摄影师阿德南·哈吉拍摄的照片显示，在以色列空袭后，黎巴嫩首都的建筑物上升起浓浓的黑烟。
Lebanese capital after an Israeli air raid, August 2006.
空袭后的黎巴嫩首都，2006年8月。
Complicating Zuse's claim of priority, an air raid destroyed his computer, as well as all accompanying photographs and documentation.
一次空袭摧毁zuse的计算机，以及所有附属的照片和文件，这使他声称拥有的优先权变得复杂。
The air raid sirens were wailing.
空袭警报尖锐的呼啸声划破长空。
Houses blacked out during an air raid.
空袭时房屋实行灯火管制。
Houses were blacked out during the air raid.
空袭时房屋实行灯火管制。
She was terrified of being killed in an air raid.
她害怕空袭时会被炸死。
When the air raid occurred, they hurried to the safety.
空袭发生时，他们急忙跑到安全的地方。
In an air raid last night the enemy aircraft bombed the city.
在昨晚的空袭中敌机轰炸了该城。
All the air raid warnings, without exception, had been false alarm.
所有空袭预告——毫无例外——都是虚假警报。
The people had practiced air raid drills until they knew what to do.
人民反复训练如何防空袭，直到他们知道怎么做。
There were several alarms during the night but no actual air raid took place.
当夜，空袭警报拉响了数次，但并没有飞机来袭。
To extinguish or conceal all lights that might help enemy aircraft find a target during an air raid.
在空袭中熄灭所有可能帮助敌机寻找目标的灯火。
The major aim of the air raid was the complete destruction of all means of communications by bombing.
空袭的主要目的是通过轰炸彻底摧毁敌人的通讯设施。
The announcement comes days after ten civilians were killed in an air raid in Kunar province in eastern Afghanistan.
几天前，阿富汗东部库纳尔省发生空袭，10名平民因此丧生。
Today, a three minute silence began at 2:28pm local time in China, as air raid sirens and horns of cars, trains and ships wailed in grief.
今天，中国星期一下午当地时间2点28分，当防空警报、汽车、火车和轮船的喇叭汽笛齐声鸣叫呜咽时，三分钟静默开始。
Despite this, 76 men crawled through the tunnel to initial freedom, even through an air raid during which the camp's (and the tunnel's) electric lights were shut off.
尽管如此，仍有76人爬出隧道重获自由，其间甚至还遭遇了因空袭引发的营地(和隧道)断电。
Air raid sirens, and car, train and ship horns wailed and people stood for three minutes in silence yesterday to mourn the tens of thousands who died in last week's earthquake.
防空警报声响起，汽车、火车和舰船笛声哀鸣，人们肃立着为上周地震中的遇难者默哀3分钟。
Assuming that his family had been killed during an air-raid, Hans settled down in a village fifty miles away.
汉斯以为他家里人在一次空袭中被炸死了，就在五十里外的一个小村里定居下来。
This paper presents a new method of aided air-raid weapon selection by coordinating rule-based reasoning and neural network.
结合规则推理与神经网络，提出了一种新的空袭武器辅助选择方法。
The city was ablaze with light, and not a single air -raid alarm sounded.
市内灯火辉煌，听不到一声空袭警报。
The city was ablaze with light, and not a single air-raid alarm sounded.
市内灯火辉煌，听不到一声空袭警报。
The sirens sounded an air-raid warning.
汽笛响起了空袭警报。
According to the analysis of the factors in air-raid targets threat ordering, the method that using rough set theory to order targets threat is presented.
通过对影响空袭目标威胁排序因素的分析，针对定性与定量因素并存的情况，提出利用粗糙集理论进行威胁排序的方法。
According to the analysis of the factors in air-raid targets threat ordering, the method that using rough set theory to order targets threat is presented.
通过对影响空袭目标威胁排序因素的分析，针对定性与定量因素并存的情况，提出利用粗糙集理论进行威胁排序的方法。
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