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- seismic prospecting event 地震勘探同相轴
- It provides experience for engineering seismic prospecting in city. 为城市工程地震勘探提供了可供借鉴的经验。
- Noise has always been the most troublesome problem in seismic prospecting. 噪声始终是地震勘探中最棘手的问题。
- We shall also consider the two types of surface waves, Rayleigh waves and Love waves, most widely observed in seismic prospecting and earthquake seismology. 我们也要研究在地震勘探和天然地震中最经常观测到的两类面波--瑞利波和乐甫波。
- HE Qiao-deng. 1986. Theory and Method of Seismic Prospecting [M]. Geological Press, Beijing (in Chinese). 何樵登.;1986
- There are many modes of field setup in the3-dimensional seismic prospecting,and the conventional bunched field setup is applied more widely. 三维地震勘探观测系统的模式较多,以常规束状观测系统的应用较为广泛。
- The SNR and resolution of seismic data can be effectively improved through high resolution processing of seismic data in shallow seismic prospecting. 浅层地震探测中，通过高分辨率数据处理，能有效地提高资料的信噪比和分辨率。
- The author probed into 3D seismic prospecting in high obliquity building compact districts and the results are delightful. 对高倾角且建筑物密集区的三维地震勘探进行了探索,并取得了可喜的成果。
- But the development of geophone far falls behind to other relative technics and can not meet the demands of high resolution seismic prospecting. 但是，现有检波器的发展水平远远落后于其它相关技术，不能满足高分辨率地震勘探的要求。
- The area's seismic prospecting characteristics have tantivy attenuation of seismic waves,strong interference waves,low signal-noise ratio and difficult operational conditions. 该区地震勘探具有地震波衰减快、干扰波强、信噪比低、施工困难等特点。
- The paper has introduced briefly seismic prospecting methods of lateral wave and converted wave, and explained applications of three-dimensional and three-component conv... 本文简要介绍了模波和转换波地震勘探方法，并结合实例说明近年来三维三分量转换波地震技术在煤田勘查中的应用现状。
- From October, 1993 to March, 1995, GPC completed the seismic prospecting counter-contract in “East Area of Northern Jiangsu Province” by British & Holland's Shell Company. 1993年10月至1995年3月，承揽完成了英荷壳牌公司“苏北东部地区”地震勘探反承包合同。
- From October, 1993 to March, 1995, GPC completed the seismic prospecting counter-contract in “East Area of Northern Jiangsu Province” by British &Holland's Shell Company. 1993年10月至1995年3月，承揽完成了英荷壳牌公司“苏北东部地区”地震勘探反承包合同。
- In seismic prospecting, random noise is one of main factors affecting the S/N ratio of seismic data, especially for deep layer seismic signals of weak energy and low frequency. 在地震勘探过程中,随机噪音是影响地震资料信噪比的主要因素之一,尤其是对能量弱、频率低的深层地震信号。
- He reported on the whole event to the minister. 他把整个事件向部长做了汇报。
- Seismic prospecting in the area of thin Quaternary strata difficuult to get the reflected wave from bottom of Quaternary strata, so can not to interpret the thickness of Quaternare strata. 在煤田地震勘探中，当第四系地层厚度较薄时，从野外观测到资料处理都较难得到来自第四系地层底界的反射波，因此无法解释第四系地层厚度问题，而这一问题又常常是要解决的地质任务之一。
- Case studies demonstrated that in tunnel engineering investigations,because of tantivy seismic wave energy attenuation,besides appropriate seismic prospecting method,field setup a... 实例说明,在隧道工程勘探中,因地震波能量衰减较快,除了选择合适的地震勘探方法、观测系统及工作参数外,还应特别注意选择较小的偏移距及道距。
- The extremely complicated geological conditions in the Kuqa foreland basin,Tarim have brought great difficulties in seismic prospecting and resulted in a high risk in oil and gas exploration. 塔里木盆地库车山前高陡构造带的复杂性造成了地震成像的困难和解释的多解性,增大了勘探风险。
- The shallow crust structure characteristics of Manas anticline in Manas earthquake area are studied using high precision shallow seismic prospecting method and advanced data processing technique. 摘要采用高精度的浅层地震勘探方法和先进的数据处理技术，查明瞭玛纳斯地震区玛纳斯背斜的浅部地壳结构特徵。
- According to the characters of seismic prospecting,the safety countermeasures are put forward from the choice of blasting materials,the prevention of working danger and the control of blasting harm. 根据地震勘探爆破作业的特点,从爆破器材选择、作业过程中危险预防、爆破危害效应控制等方面提出了地震勘探爆破作业的安全对策。
