地震之后,及时寻找被埋在废墟之下的被困者是救援工作的重中之重,而执行这项任务时,搜救犬发挥了巨大作用。它们能比较准确地找到被困者的位置,为搜救行动争取到宝贵的时间。例如在汶川地震后,近70条搜救犬救出了300余人,并协助搜寻到遇难者遗体1700具。搜救犬为何能寻人?所有的人,不论死活,都会持续地释放有气味的化学物质颗粒;而人身上脱落的皮屑 Search for the trapped people buried under the rubble after the earthquake is the top priority of rescue work, and search and rescue dogs have played a huge role in carrying out this task. They can locate the trapped people more accurately and gain precious time for search and rescue operations. For example, after the Wenchuan earthquake, nearly 70 search and rescue dogs rescued more than 300 people and helped to find 1700 bodies of victims. Why search and rescue dogs find people? All people, whether life or death, will continue to release the smell of chemical particles; and people shed dander