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
- 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。 - 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。 - I already told you it was a false alarm.
我已经告诉你是误警了。 - 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 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。 - 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； - 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。 - 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 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。 - 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。