Because of its accuracy in outlining the Earth's subsurface, the seismic-reflection method remains the most important tool in the search for petroleum reserves.
文章首句指出：“由于‘地震反射法’(sr)在勾划地球的地下层面这方面的准确性，该方法一直是探寻石油储备的最重要的工具。” 这是一个判断句，为结论。
The IP method can probe to subsurface depths of thousands of meters.
激发极化法的探测深度可达数千米深。
The results show that anomaly frequency method is effective for the analysis of high frequency information characteristics in digital subsurface fluid data.
结果表明，异常频次法是地下流体数字化资料高频信息特征分析及其应用的有效方法。
As a direct and accurate inversion method of subsurface structures, VSP processing is one of the most important approaches to identify complex subtle oil and gas reservoirs.
VSP处理方法反演地下结构直接、精确，是寻找复杂构造的、隐蔽的油气藏的最重要的方法系列之一。
An analysis of a passive seismic method for subsurface imaging is presented in which ambient seismic noise is employed as the source of illumination of subsurface scatterers.
本文提出用于地下成像无源地震方法的分析，在该方法中应用环境地震噪声作为地下散射体的照明源。
Meanwhile, the 2h-w (100) surface system was studied by the extended LEPS method for investigating the subsurface adsorption state effect on the surface adsorption state.
同时，为了研究内层吸附态对表层吸附态性质的影响，利用改进推广的LEPS方法研究了2H - W(100)表面体系。
The subsurface oxide layers generated during decarburizing annealing of high grade non-oriented silicon steel sheet were studied by metallographical method and magnetoacoustic emission method(MAE).
通过金相法和磁声发射法（MAE）研究了高牌号无取向硅钢脱碳退火时所产生的内氧化层。
The analytic method of dynamic simulation of combined operation of the surface and subsurface water and its application are presented in this paper.
本文阐述了地面水、地下水联合调度的动态模拟分析方法及其应用。
The transition matrix method is extended to study the scattering problem of P, SV waves in half-space with two-dimensional local surface or subsurface irregularity.
本文将转换矩阵法加以推广，用来求解半空间表面局部不规则区域所引起的P、SV波的散射透射问题。
A calculating model of finite element method with three-dimensional beam element for subsurface pipeline was established.
建立了埋地输油管道三维梁单元有限元应力应变计算力学模型，并给出了求解方法。
The thermographic method as a nondestructive testing for the detection of subsurface defects is investigated. Results are given for the evaluation of defects in a series of thin-walled materials.
研究了红外热成象技术用于近表面缺陷的探测，给出了对两种薄壁材料中缺陷的探测结果。
The thermographic method as a nondestructive testing for the detection of subsurface defects is investigated. Results are given for the evaluation of defects in a series of thin-walled materials.
研究了红外热成象技术用于近表面缺陷的探测，给出了对两种薄壁材料中缺陷的探测结果。
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