这些区域性空运能力的损失妨碍了对于自然灾害，森林火灾和其他本国紧急安全事务的快速反应。
Loss of this regional airlift capability hinders rapid response to natural disasters, forest fires, and other homeland security emergencies.
研究了高炉块状带内焦炭的碳素损失情况以及焦炭反应性的变化情况。
The carbon loss of coke and the change of coke reactivity index in lumpish section of blast furnace were studied.
目的探讨男性飞机维修人员噪声暴露与噪声性听力损失（NIHL）患病率之间的剂量反应关系。
Objective To study the dose response relationship between noise exposure and prevalence of noise induced hearing loss(NIHL)in man aircraft maintenance workers.
应用推荐