structure of fire barrier zone 防火隔离带构造做法
littoral barrier industrial zone 沿海工业地带
barrier-free travel zone 无障碍旅游区
The noise parameters are closely related to the barrier zone and mainly reflected in the noise amplitude.
噪声参数与势垒区的复合效应密切相关，主要表现为频率指数基本不变，噪声幅值呈增大趋势。
Racing over in his car, he smashed into a concrete barrier at 140 km an hour in a 50 km zone.
他在限速50公里区内急速行驶，以每小时140公里的速度撞到一个水泥墩上。
The only good news was that according to the researchers’ calculations this type of barrier-busting quake should occur in this zone on average only once every 4,000 years.
经过测算，研究者所能提供的唯一的好消息是该地如此强力的地震平均每4000年发生一次。
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