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

• 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？
• A scan detection platform constructed by unused IP addresses will effectively improve detection accuracy and reduce false alarm.
  利用网络中未使用IP地址构建扫描检测平台能够有效提高检测准确率，降低虚警率。
• 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
• This has been a false alarm.
  一切都是虚惊一场。
• 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。
• 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。
• 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。
• The experimental results show that the model has high detection rate, and which can deduce the false alarm rate effectively.
  对模型和算法进行多种典型攻击测试实验，结果表明模型具有较高的检测率，并能有效降低误警率。
• 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。
• Then the paper makes a discussion on how to decrease the probability of false alarm and probability of false rejection.
  论文从水印检测过程中可能发生的两类错误入手，讨论了降低检测虚警概率和漏报概率的一般方法。