1) Long-period reverberation
长周期鸣震
2) variable cycle singing
变周期鸣震
1.
The geophone wandering problem is solved from 3D view through receiver position inversion using travel time of direct wave and refracted wave,the variable cycle singing is suppressed sufficiently via variable step-length two-step predictive deconvolution,and steep-dip imaging problem is solved .
龙口海域煤田,海水深度变化大(1~13 m),地层局部倾角陡;海上地震资料采集存在检波器位置漂移、变周期鸣震干扰以及子波差异大等问题。
3) damage of long-period structure
长周期震害
4) sing-around period
环鸣周期
5) long-period ground motion
长周期地震动
1.
Urgency of the study of long-period ground motion;
长周期地震动衰减关系研究的迫切性
2.
This paper investigates long-period ground motion characteristics of the 1999 Jiji(Chi-Chi), Taiwan, mainshock and aftershocks on the basis of a lot of the high quality digital strong motion records.
用丰富的高质量数字强震记录对台湾集集大地震及余震的长周期地震动特性进行了研究。
3.
At present,the research on the attenuation relationship of long-period ground motion and the long-period response spectrum is not well developed and there are not many research projects about long-period seismic response for high-rise structures subjected to long-period ground motion.
目前,对长周期地震动衰减关系和长周期反应谱的研究尚不成熟,对长周期地震动作用下高层建筑结构的地震响应研究还比较少。
6) long-period seismic wave
长周期地震波
1.
The study of long-period seismic wave is significant to the seismic design of the large-span engineering structures with long auto-oscillation period.
长周期地震波的研究对自振周期较长的大型结构的抗震设计具有重要意义。
补充资料：长日照植物(见光周期)
长日照植物(见光周期)
Zh、wU史奢令霆孤见光周期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条