A new method, the ray parameter method, is presented in this paper to derive velocity - or its linear gradient-depth information, directly from multi-channel seismic data.
本文提出的“射线参数法”，可由多道地震记录谱直接估算层速度或层速度线性梯度值。
Detective efficiency is an important instrumental parameter of X ray photoelectron spectrometer.
探测效率是X射线光电子能谱仪一个很重要的仪器参数。
The total refractivity content along the ray path is an important propagation parameter in space times.
在空间时代，沿射线路径的总折射率是研究电波传播的重要参数。
The fundamental parameter method of X-ray fluorescence analysis has many advantages, such as no concentration range limitation of elements, dispensability of standard samples and so on.
本文叙述了利用基本参数法校正源激发合金元素荧光分析的基体效应的基本原理、基体效应的修正方法。
Determining of the surface chromium content on Salvanized Sheet Steel by X ray fluorescence method was introduced, and selected the best determining condition and parameter of the instrument.
本文研究了X-射线荧光法测定镀锌板表面铬层质量的分析方法，实验选择了仪器的最佳测定条件和参数，并对方法的精密度和准确度进行了考查。
Torsion resistance is another important parameter that reflects the quality of X-ray lens.
扭曲度的大小是反映透镜质量的重要参数。
IOR - also known as Index of Refraction, a physical parameter of transparent matter that defines how strong a ray gets bent when entering media of different density.
折射度-物理参数，表现折射物体的光折射特性，光线穿过某不同密度物质所应改变方向的角度。
The problem of parameter inversion in inhomogeneous medium was studied and a generalized ray approximation method to inverse 2-d medium parameters was introduced in this paper.
对非均匀介质参数反演问题进行了研究，并提出了用于反演二维介质参数的广义射线近似方法。
Ray beam effective width of Xray Imaging system is an important parameter to evaluate the resolution of system.
射线成像系统的射线有效宽度是评定系统成像分辨率的重要成像指标。
The method comprises the following steps: after parallel rays project to a target surface area element, acquiring a path parameter of each ray from incidence to reflection;
所述方法包括：当平行射线投向目标面元后，获取每条射线从入 射到反射的路径参数；
Conclusion MR imaging with suitable sequence and parameter can make up the CT and X ray picture to help diagnose of pulmonary segement lesions.
结论：合适的序列和参数的MR成像能与CT和X线互相补充，有助于肺段病变的诊断。
The paper introduces the function development a C8051F SCM used in the parameter testing of X-ray units.
文章介绍一种用于X光机参数检测的C8051 F单片机的功能开发。
The application of the physical parameter method in the solar X-ray telescope is discussed in this paper.
本文描述了“物理参数”法在太阳X光望远镜上的具体应用。
This paper introduces briefly the frequency response, damage parameter of two-ray multipath model and the relationship between multipath time delay, antenna height and communication distance.
在微波视距通信中通常采用二径模型来描述信道，简要介绍了二径模型的频率响应、损伤参数以及多径时延与天线高度、通信距离的关系。
This article introduces the Low Contrast Resolution which is an important parameter of X-ray imaging equipment.
本文对X线成像设备的重要指标—低对比度分辨率作了介绍。
Using the output on line-printer for X-ray weld inspection films, the optimal parameter of printing control is investigated.
运用行式打印机输出焊缝X 射线探伤返修片的方法，研究了最佳打印控制参数。
Tube-current is the all-important parameter of the X-ray machine; it affects the reciprocity between the X-ray and the others material.
管电流是X射线机中非常重要的参数，它影响X射线与其它物质的相互作用。
Tube-current is the all-important parameter of the X-ray machine; it affects the reciprocity between the X-ray and the others material.
管电流是X射线机中非常重要的参数，它影响X射线与其它物质的相互作用。
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