1) precursor
[英][pri:'kɜ:sə(r)] [美][prɪ'kɝsɚ]
前兆
1.
Brief Introduction of Precursor Database System of the Earthquake Administration of Shanxi Province;
山西省地震局前兆数据库系统简介
2.
Some Amplitude Ratio Precursors from Data of Digital Seismic Waveform in East Margin Area of Qinghai-Tibet Plateau;
青藏高原东缘地震波数字资料几种振幅比的前兆测定
3.
The design of TDP-0844 earthquake precursor data acquisition system;
TDP-0844地震前兆数据综合采集器的研制
2) omen
[英]['əʊmən] [美]['omən]
前兆
1.
The four modes of AE omens, including the single jumping mode,the fluctuating mode,the exponential increasing mode, and the frequent low energy omen mode are put out.
基于现场实测研究 ,提出了冲击地压的声发射四种前兆模式 :“单一突跃型”、“波动型”、“指数上升型”和“频繁低能量前兆型”,还分析了松动爆破对防治冲击地压的效果 ,这对冲击地压的预测预报 ,具有重要应用价值。
3) precursor
[英][pri:'kɜ:sə(r)] [美][prɪ'kɝsɚ]
前兆预兆前兆天电
4) precursory information
前兆信息
1.
To distinguish the danger classes of rockburst,the research on precursory information is a key question.
微震监测技术通过反映煤岩体变形破裂释放的能量以及频谱特征而实现冲击矿压的监测预报,其前兆信息研究是识别冲击矿压危险程度的关键。
2.
A new method for precursory information extraction, i.
针对日均值前兆数据序列 ,提出一种新的前兆信息提取方法 ,即斜率差信息法 。
3.
After the completion of \'the tenth five-year plan\' project for the earthquake precursory observatory system,it is the focus of the application of earthquake precursory information to develop data sharing application.
该方案可以便捷用户对前兆信息的使用,提高前兆信息的利用率。
5) precursory features
前兆特征
1.
First,the lane way's sketch map and monitoring data of gas content index are analyzed,and then the precursory features in abnormal gas-effusing area are extracted as the eigenvectors of pattern recognition so as to analyze the dynamic working situation in lane way and judge whether there is the possibility of abnormal gas-effusion.
提出利用模糊模式识别技术对瓦斯涌出异常进行动态预警的新思路;通过对已知巷道的瓦斯含量监测数据和素描图进行分析,提取引起瓦斯涌出异常的前兆特征作为模式识别的特征向量,来对实时监测的巷道的工况进行判断,确定其是否存在瓦斯涌出异常的可能性。
6) danger auspice
危险前兆
补充资料：前兆
事发前的征兆：地震的前兆。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条