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
- I already told you it was a false alarm.
我已经告诉你是误警了。 - This has been a false alarm.
一切都是虚惊一场。 - 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； - 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。 - 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。 - 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。 - All the air raid warnings, without exception, had been false alarm.
所有空袭预告毫无例外都是虚假警报。 - 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。 - 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。 - 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。