地震演练英语作文

Today,there are ways to protect and prepare possible sites of earthquakes from severe damage,through the following processes:earthquake engineering,earthquake preparedness,household seismic safety,seismic retrofit (including special fasteners,materials,and techniques),seismic hazard,mitigation of seismic motion,and earthquake prediction.Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity,ground motion,or soil failure due to earthquakes.With better understanding of seismic demand on structures and with our recent experiences with large earthquakes near urban centers,the need of seismic retrofitting is well acknowledged.

Practicing the earthquake's escape -- Last Friday,we had a practice in our school,how to escape as the earthquake happen?Every student had to hide under the desk when we heard the warn alarm system,and when we heard another warning alarm system,then every student had run out of class to the playground in order.

It was very exciting on the practicing,and I think I learned lots of knowledge on the practicing,and also know how to protect myself when the earthquake?And also learned how to escape when the earthquake happening?And also learned how to safe the sufferers life after earthquake?

Yesterday we organized the school boards. warning, and we'll assemble and ran towards the playground. in the stands, the headmaster announced the play ended. the acting was a success. let us in the real disaster occurs, can't panic, stay calm face