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- These events were referred to as ground roll. 那些同相轴称为地滚波。
- In the jargon, they are all embraced by the term "ground roll". 在俗语中，可以统称之为“地滚”波。
- Ground roll wave has characteristics of strong energy, low frequency and slow attenuation. 摘要面波具有能量强、频率低、吸收衰减缓慢等特点。
- The surface disturbance is termed ground roll and may include Rayleigh and other vertical and horizontal modes of propagation. 地面扰动称为地滚波，它可能包含瑞雷波和其它纵、横形式的波动。
- By using band and equal distance wavelet transform and average energy method, the ground roll wave can be recognized and suppressed belier, hence obtaining good results. 采用窄档等频距小波变换方法，在含面波的低频频带内，用平均能量法识别和压制面波，取得良好效果。
- Therefore, it is feasible to survey surface structure by using the Rayleigh ground roll waves with moderate detectability. 因此，利用石油地震勘探记录中的瑞雷面波来调查表层结构是可行的，它具有中等尺度的探测能力。
- Geophone array can depress ground roll and random noise in order to improve S-N ratio, however it can also bring stronger low-frequency response so as to reduce resolution. 检波器组合能够压制面波及随机干扰,提高信噪比,但也会产生较强的低频响应,从而降低分辨率。
- Company Profile: It is a newly built Italian enterprise that works on researching, processing, manufacturing and selling for ground belt,ground roll,ground wheel and other ground products. 公司是研发加工、制造、销售研磨带、研磨卷、研磨轮等研磨制品的新建意大利独资企业。
- Four respects including roll selection, grinder situation, technique and inspection are controlled to ensure to grind roll accord with the rolling demand on O5 plate. 从轧辊挑选、磨床状态、工艺方法、检查等四个方面进行控制,确保了磨出符合O5板轧制要求的轧辊。
- Antiabrasive built - up welding repair of high pressure grinding roll surface in cement plant. 水泥厂辊压机辊面的耐磨堆焊修复。
- Macaque is drunk fuddle one's cap, doff garment hat with nothing left, full ground rolls about. 猢狲喝得大醉，就把衣帽脱得精光，满地打滚。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- Every one has noticed with what nimbleness a coin which one has dropped on the ground rolls away and hides, and with what art it renders itself undiscoverable. 大家都曾注意到，一个小钱落到地上后一滚就会不见，这多么巧妙，使你找不到它。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
