This estimation relied on seismological techniques measuring the first seismic waves recorded, a method that lends itself to underestimation when a quake exceeds a magnitude of 8.5.
这项估算的依据是用地震技术测量记录到的第一批地震波，这种方法在地震超过8.5级时会造成估算不足。
Data on several important sensitivity tests are analyzed again by a method of magnitude order estimation, then a concept on the critical thermal energy density is formulated.
从能量角度用数量级估计的方法分析数种重要的感度试验数据，提出临界热能密度的概念。
Import magnitude reconstruct method to estimation wavelet base on high-order statistics after phase estimation theory, and perfecting the method of estimation wavelet though high-order statistics.
继高阶统计地震子波相位估计方法之后，将基于高阶统计的幅值重构方法也引入其中，从而完成了完整的高阶统计地震子波估计理论。
Import magnitude reconstruct method to estimation wavelet base on high-order statistics after phase estimation theory, and perfecting the method of estimation wavelet though high-order statistics.
继高阶统计地震子波相位估计方法之后，将基于高阶统计的幅值重构方法也引入其中，从而完成了完整的高阶统计地震子波估计理论。
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