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A series solution for surface motion amplification due to underground group cavities for incident plane P waves is derived by Fourier Bessel series expansion method. 采用波函数展开法,给出了平面P波入射下半空间中洞室群对地面运动影响问题的一个级数解答。
EFFECT OF UNDERGROUND GROUP CAVITIES ON GROUND SURFACE MOTION 地下洞室群对地面运动的影响
A series solution for surface motion amplification due to underground group cavities: incident SH waves 地下洞室群对地面运动影响问题的级数解答:SH波入射
underground group cavities 地下洞室群
The second legend has it that during the Yuan Dynasty,an underground group led by Zhu Yuan Zang was determined to rid the country of Mongolian dominance. 第二个传说讲的是在元朝，朱元璋领导的起义军计划起义来摆脱蒙古族的统治。
The second legend has it that during the Yuan Dynasty, an underground group led by Zhu Yuan Zang was determined to rid the country of Mongolian dominance. 第二个传说讲的是在元朝，朱元璋领导的起义军计划起义来摆脱蒙古族的统治。
It comes after his ticket mate,Sarah Palin, criticised Obama's ties to the founder of the Wheather Underground group which was blamed for several bombings when Obama was a child. 此前，麦凯恩的竞选伙伴佩林攻击奥巴马与地下组织的创始人有关系，该组织在奥巴马孩提时期曾制造过多起爆炸案。
Undeterred, after his release he joined a small underground group, the"(Name of city withheld) Democratic Workers Association" and organiseda sit-in in front of the local Communist Party headquarters. 在他被释放后，他没有放弃参加了一个小的地下团体，“（城市名称省去）民主工人协会”，并组织了一次在当地共产党总部前的静坐示威。
deep excavation of flat group cavities 平顶群洞暗挖法
Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
The missile is delivered from underground. 这种导弹由地下发射。
He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
They were suspected of underground activities. 他们被怀疑进行地下活动。
Moles stay underground most of the time. 钱鼠大部分时间住在地下。
The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
He went underground to avoid capture. 他转入秘密工作以免被捕。
The group was made up of doctors. 这个团体是由医生组成的。
The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。