false alarm

英 [ˌfɔːls əˈlɑːm]

美 [ˌfɔːls əˈlɑːrm]

n.  假警报; 虚惊

计算机

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
  1. 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。

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.
  1. ..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

英英释义

noun

• a warning that is given about something that fails to occur

双语例句

• Sorry for the false alarm but it was for a good cause.
  我对假警报表示抱歉，不过这是为了做好事。
• 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
• And if what is happening on my planet is a false alarm?
  如果我们星球上的事只是假警报呢？
• The Design and Realization of Radar Constant False Alarm Curcuit Based on Digital Technology
  基于数字技术的雷达恒虚警电路设计与实现
• 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。
• The alarm system went wrong and created a false alarm.
  报警系统失灵，引起一场虚惊。
• 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。
• In order to guarantee the false alarm probability of CFAR detector, we determine practical threshold coefficients by using simulations.
  本文中我们通过仿真的方法确定CFAR中的实际门限系数，研究有限的参考单元数对虚警性能的影响。
• 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。
• The model-based false alarm of BIT is studied. Firstly, the information uncertainty that induces false alarm of BIT is analyzed.
  针对基于模型的BIT中的虚警问题，首先分析了引发虚警的信息不确定性；