The key now is to restore confidence in their debt market to prevent contagion spreading from the small peripheral countries to the core euro zone economies.
现在的关键是要重振对欧洲债市的信心，防止危机从欧元区的边缘小国扩散至欧元区核心经济体。
2
To protect themselves from viruses, plants create a zone of dead cells around an infection site that prevents the infection from spreading.
为了避免病毒的感染，植物会在感染位点形成一个死细胞区域，这种地带能够阻止感染的扩散。
3
This logging method is simple and practical, can effectively recognize rock type, fracture developed zone and fracture occurrence, and is worth of spreading.