图为汶川地震灾区小学生聚集在联合国儿童基金会援助的帐篷前。
The picture shows children of a primary school in Wenchuan earthquake-stricken area gathered in front of a tent donated by the United Nations Children's Fund.
震前对现有建筑的抗震加固，是减轻地震灾害行之有效的方法之一。
Seismic strengthening existing buildings before earthquake is one of effective ways to mitigate earthquake disaster.
应用推荐