Design a new calibrator of short-period seismograph;
新型短周期地震仪标定器的设计
It is well-known that short-period recordings have saturation problems for large earthquakes when estimating the size of an earthquake.
用短周期地震记录估计大地震震级时会出现饱和的现象早已众所周知。
vertical-component high-gain short-period seismometer
垂直方向高增益短周期地震仪
The calculation program for the seismic detector constant in short period record recorded with pen
短周期笔绘记录地震仪常数计算程序
Near realtime monitoring the change of group velocity of short-period surface wave via seismic noise analysis
利用地震噪声准实时监测短周期面波波速变化
Long-period seismographs at the Observatory's headquarters detect tremors world-wide and information on significant tremors is made public through the media.
天文台总部并装设长周期地震仪，监察世界各地的地震，重要的地震消息会透过传媒向市民公布。
To monitor earthquake activities in the vicinity of Hong Kong, the Observatory operates a network of eight short-period seismograph stations.
天文台在香港境内设有8台短周期地震计，用以监测香港邻近地区的地震。
Short-term and imminent earthquake prediction shall be released by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government in accordance with the procedures prescribed by the State Council.
地震短期预报和临震预报，由
CERTAIN SHORT TERM ANOMALOUS VARIATIONS OF THE CHARACTERISTICS OF SEISMIC WAVES BEFORE THE KUERLE EARTHQUAKE ( M=5.8)
库尔勒5.8级地震前地震波特性的某些短期变化
OBSERVATION AND ANALYSIS OF THE STRESS WAVE FOR A SHORT TERM AND IMMEDIATE EARTHQUAKE PRECURSOR
地震短期、临震前兆应力波的观测与分析
A network of about 35 short-period vertical instruments has been installed in the states of U.S.A.
美国的一些州设置了大约35个短周期垂向仪器。
but that was precisely the idea adopted in some of the early instruments,
但是早期记录地震波的仪器，
AN APPLICATION OF PROBABILITY METHOD TO THE SHORT TERM EARTHQUAKE PREDICTION
概率方法应用于地震短期预测的探索
A seismograph records earthquakes.
地震仪能自动记录地震。
seismometer free period
地震检波器自由振荡周期
STUDY ON PRE-SLIP PRECURSOR OF THE EARTHQUAKE--LONG PERIOD PRECURSORY SEISMIC WAVE
预滑与地震前兆——长周期波动研究
Periodic slow earthquakes from the Cascadia subduction zone
卡斯凯迪亚消减带的周期性的慢地震
Varying Period Predictive Deconvolution of Imaging Gathers
地震成像道集域的变周期预测反褶积
Study on comprehensive criteria for the medium and short term earthquake anomaly in East China
华东地区中短期地震异常综合判据研究
ANALYSIS ON SHORT-TERM PRECURSORY ANOMALOUS FEATURES OF UNDERGROUND FLUID IN QILIANSHAN MOUNTAIN EARTHQUAKE BELT
祁连山地震带地下流体短期前兆异常特征分析