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
- 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 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。 - 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。 - A new constant false alarm rate ( CFAR) detector ( CMCAGO-CFAR) based on censored mean and cell averaging is presented in this paper.
文中基于删除平均（CM）方法和单元平均（CA）方法，提出了一种新的恒虚警检测器（CMCAGO-CFAR）。 - I already told you it was a false alarm.
我已经告诉你是误警了。 - She thought she was pregnant, but it turned out to be a false alarm.
她以为她怀孕了，但结果是虚惊一场。 - 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 - 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 new multi-threshold frequency domain constant false alarm rate detection algorithm for radar fuse was presented.
提出了一种新的雷达引信多门限频域恒虚警率检测算法。 - 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；