根据第三段 “The first known forecast was made by Pherecydes of Syros about 2500 years ago: he made it as he scooped water from a well and noticed that usually very clean water had suddenly become muddy. Indeed, an earthquake occurred two days later, making Pherecydes famous. (大约2500...
4 : a center of activity or interest 5 : the starting point of an earthquake focus 2 of 2 verb focused also focussed; focusing also focussing 1 a : to bring into focus b : to adjust the focus of focus a telescope 2 : to cause to be concentrated focus attention on a proble...
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in focus; out of focus. Geometry.(of a conic section) a point having the property that the distances from any point on a curve to it and to a fixed line have a constant ratio for all points on the curve. Geology.the point of origin of an earthquake. ...
5.GeologyThe point of origin of an earthquake. 6.MathematicsA fixed point whose relationship with a directrix determines a conic section. v.fo·cused,fo·cus·ing,fo·cus·esorfo·cussedorfo·cus·singorfo·cus·ses v.tr. 1.To cause (light rays, for example) to converge on or toward ...
Since its inception, the RCSC has played an important role in major disaster relief and the protection of lives and health in other countries and regions. After a devastating earthquake struck Türkiye and Syria on Feb. 6, 2023, the RCSC was among the first partners to contact the Internationa...
9. An earthquake left the whole town 10. He is a headache. 相关知识点: 试题来源: 解析 1. set a good example 2. is addicted to 3. focusing on 4. check in 5. took control of 6. even though 7. makes sense 8. in shock 9. in ruins 10. suffering from (1)题详解: 考查固定...
4.Geometrya fixed reference point on the concave side of a conic section, used when defining its eccentricity 5.the point beneath the earth's surface at which an earthquake or underground nuclear explosion originates 6.Patholthe main site of an infection or a localized region of diseased tissue...
The ECU-911, designed and built by China National Electronics Import and Export Corp., integrates the country's various emergency response and rescue services into a single platform. During the deadly earthquake, the ECU-911 system helped save many lives, showcasing the role of BRI projects in...
(Medicine) The region of a localized bodily infection or disease. Focus (Geology) The point of origin of an earthquake. Focus (Mathematics) A fixed point whose relationship with a directrix determines a conic section. Focus To cause (light rays, for example) to converge on or toward a centr...