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地震频度
1、cumulative frequency───[统计]累积频率，[电子]累积频数
2、frequency equation───频率方程
3、frequency range───频带; 频段；[电子][通信]频率范围
4、frequency modulation───调频
5、seismic surveys───地震测量
6、frequency generator───[计]频率发生器
7、frequency───n.频率；频繁
8、cutoff frequency───截止频率
9、frequency polygon───[统计]频数多边形
1、Under a fixed seismic frequency, wavelet side lobes may increase the difficulty of interpreting and recognizing thin sand bodies.───在地震资料频率一定的情况下，地震子波旁瓣效应会增加薄砂岩识别和解释的难度。
2、Variation Characteristics of Seismic Frequency before Strong Earthquakes in Sichuan and Its Neighbouring Region───四川及邻区强震前地震活动频度的变化特征
3、The Coda Duration and the Seismic Frequency before M8. 1 Earthquake of West of Kunlun Pass in Qinghai───青海昆仑山口西8.1级地震前的尾波持续时间和地震频次
4、The seismic frequency and the energy released have no relation with the quantity of water exploitation or the well water level.───地震的频次和能量的释放与西安地区的地热水开采量和水位变化无明显的关系。
5、All of this seismic activity has left some wondering if earthquakes are increasing in frequency, or if it just seems like they are.───这一切地震活动让我们不禁要问，地震的频率在增加吗，还是只是看起来是这样而已。
6、Making use of seismic frequency as order parameter, the master equation of order parameter which represents regular evolution of seismicity is established by means of adiabatic elimination principle.───地震断裂XiTong，利用地震频度作为序参量，并应用绝热消去法建立了代表地震活动演化规律的序参量所满足的主方程。
7、Relation between the variation of yearly seismic frequency and the earthquake───云南及邻区地震年频度变化与地震的关系
8、The seismic frequency effect on recognition of the BSR of gas hydrate───天然气水合物BSR的识别与地震勘探频率