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

• 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
• It offers low false alarm rates and nuisance alarm rates without compromising on high probability of detection levels.
  它降低了虚假警报率和干扰警报率，但不会降低高概率的探测级别。
• The article expatiates the relation of alarm threshold, investigation level, probability of detecting and false alarm rate.
  阐述了核材料探查仪器的报警阈与调查水平、漏报率和误报率之间的关系。
• 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。
• 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。
• 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；
• 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
• This design can improve the reliability and timeliness of fire alarm system, reduce the false alarm rate and improve the level of intelligent system.
  这一设计可提高火灾报警系统的可靠性与及时性，减少误报率，提高系统的智能化程度。
• You think this is another false alarm.
  你以为这又是次错误的安排。
• 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。