The noise parameters are closely related to the barrierzone 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。
2
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。
3
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.