seismic gap地震活动空白地带seismicadj.地震的Seismic safety assessment地震安全性评价Seismicity characteristic构造条件seismic telemetry station地震台站seismic reflection method地震波反射法seismic responses of site场地地震反应Seismic design parameters设计地震动参数Seismic wave ray location地震波射线定位seismic tomographic image地震层析成像Seismic physical forecast地震物理预报seismic response analysis地震反应分析

1. For a system with a fundamental natural period in the long-period range, maximum displacement governs the seismic design.
   对于长周期结构，地震最大位移反应是结构抗震设计的控制因素。
2. Investigations in this paper provide a fully new way for the design of high-rise steel residences.
   本文在该方面的研究为中高层钢结构住宅提供了全新的抗震设计思路。