false alarm
英 [ˌfɔːls əˈlɑːm]
美 [ˌfɔːls əˈlɑːrm]
n. 假警报; 虚惊
牛津词典
noun
- 假警报；虚惊
a warning about a danger that does not happen; a belief that sth bad is going to happen, when it is not- The fire service was called out but it was a false alarm.
消防人员接到报警后出动，但这是假报火警。
- The fire service was called out but it was a false alarm.
柯林斯词典
- N-COUNT 假警报;虚惊
When you think something dangerous is about to happen, but then discover that you were mistaken, you can say that it was afalse alarm.- ..a bomb threat that turned out to be a false alarm.
最终证实是虚惊一场的爆炸恐吓
- ..a bomb threat that turned out to be a false alarm.
英英释义
noun
- a warning that is given about something that fails to occur
双语例句
- The multielement interrelated detection technique is of maximum detection sensitivity and minimum false alarm rate by the correlation function.
多元相关探测技术在具有很好的探测灵敏度的同时，兼顾保证了极低的虚警率。 - The running results have testified that the system is easily realized with low false alarm rate and higher value.
运行结果证实，误报率低，易于实现，具有较高的应用价值。 - The new family features five integrated technologies that yield high capture rates and low false alarm rates.
新的系列有五个综合技术特征，仍然是高捕捉率和低误报率。 - It is the core problem in laser detection system keeping low false alarm probability while ensure the detection distance.
如何在保证激光探测距离的基础上保持低的探测虚警，一直是激光探测系统的核心问题。 - The results of analysis and the simulation showed that the new method can provide higher detecting probability and lower false alarm rate.
最后，对该方法的检测流程和检测性能进行分析，仿真结果表明，该方法能够获得更高的检测概率以及更低的虚警概率。 - For reducing the false alarm, we adopt hierarchical alert classifier which combined misuse intrusion detection and anomaly intrusion detection.
并且采取结合了不当行为与异常行为侦测的阶层式警报分类器来降低假警报。 - This has been a false alarm.
一切都是虚惊一场。 - The sky went very dark and we thought it was going to rain but it was a false alarm.
天空变得黑沉沉的，我们以为要下雨了，但结果只是虚惊一场。 - He was the victim of a false alarm.
他受了一场虚惊。 - The rumours of a petrol shortage turned out to be a false alarm.
汽油短缺的谣传原来是一场虚惊。