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- large historical earthquakes 历史大地震
- It is pointed out that to confirm felt historical earthquakes must be textual research first, then compiling catalog based on textual research and simple catalog. 指出历史有感地震的确认必须考证,在考证基础上先编,“目录”尔后辑录“简目”。
- The results are satisfactory and approve that the method of KF is mostly practical.The advantages of KF compared to that of MOS method are that one do not have to collect large historical da... 预报结果令人满意,表明该方法很有实用价值,与MOS方法相比,它的优点是不需要收集大样本历史资料,因此,它容易适应数值预报模式的变化。
- Loss reconstruction of historical earthquakes is a method for prediction of earthquake losses, and as well as a measure for calibration of analysis model of earthquake risk. 摘要历史地震损失重建是地震损失预测的一种方法,也是用于区域地震风险分析模型验证的一种手段。
- In the Pacific Northwest, there is no evidence of foreshock activity for most historic earthquakes. 在太平洋西北地区,历史上的大多数地震都没有前震活动的证据。
- extraordinary flood (large historical flood) 特大洪水
- The earthquake casualties ex-ceeded that of 1992,and were also higher than the annual average of historical earthquake casual-ties. 地震伤亡人数超过1992年,也高于历史地震灾害的平均死亡人数。
- Lanzhou Institute of Seismology,SSB.1989.Summary of the Gansu historical earthquake records[Z].Seismological press,Beijing(in Chinese). 国家地震局兰州地震研究所.;1989
- He bit off a large piece of the apple. 他咬下一大块苹果。
- Through field investigation and analysis, combining with historical earthquake documents, the causes of landform, rift valley and landslip relic of Xionger mountain is studied. 通过实地考察和分析,结合历史地震记载资料,对熊耳山地貌、裂谷以及崩塌遗迹的形成原因进行了初步探讨。
- On the basis of data of historical earthquake and several engineering experiece,raise appraiseing method and principle&referencenumerical of active rift safety distance. 在深入研究历史地震资料及若干工程实践的基础上,提出了活动断裂安全距离的评价原则,方法及其参考数值。
- Through field investigation and analysis,combining with historical earthquake documents,the causes of landform,rift valley and landslip relic of Xionger mountain is studied. 通过实地考察和分析,结合历史地震记载资料,对熊耳山地貌、裂谷以及崩塌遗迹的形成原因进行了初步探讨。
- Two Strong Historical Earthquakes in Yalujiangkou in 1917 and 1944 1917及1944年鸭绿江口的两次历史强震
- Large billboards have disfigured the scenery. 大型告示板已破坏了景色。
- He has a large amount of mail to answer every day. 他每天有大量的信件要回复。
- His large income enabled him to live in comfort. 他那丰厚的收入使他可以过舒服的生活。
- He cooked the pasta in a large pan of boiling water. 他用一大锅开水煮义大利面食。
- The company declared a large dividend at the end of the year. 公司在年底宣布分发高额股息。
- He piloted us through the large factory. 他领我们参观了这个大工厂。
- Using CORA-3 algorism of pattern recognition and Fesherls discriminant function, the 38 historical earthquake areas and 22 areas needed to be identified for earthquake risk are classified and predicted. 利用图象识别的CORA-3算法与费歇尔判别函数,对华北历史上已发生的38次地震和22个待预测区进行了分类和预测。