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
- 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。 - 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。 - 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。 - 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。 - This has been a false alarm.
一切都是虚惊一场。 - 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。 - 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 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。 - Simulation results show the mechanism can detect the DNS attack, it makes good compromise between the detection rate and the false alarm rate.
仿真结果表明,该机制能够有效检测DNS缓存攻击,并实现检测准确率和误警率间的平衡。 - 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