地震灾害预防
Defensive seismic disaters
地质灾害预防
geologic hazard prevention
prevention of geological disaster
地灾防治工作体系
geo-disaster control system
防灾预警及逃生系统
disaster early warning and escape system
减灾防灾
Disaster prevention and mitigation
hazard mitigation
disaster prevention and reduction
减灾防灾对策
controlling disaster countermeasures
浅谈企业火灾预防
Brief Discussion of Enterprise Fire Precaution
震灾预防
Seismic disaster prevention
earthquake disaster prevention
总统授权的火灾预防与控制委员会
Presidential Commission on Fire Prevention and Control
《极地防污染证书》
arctic pollution prevention certificate
草地地上生物量
grassland aboveground biomass