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 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；
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。
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。
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。
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。
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。
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。
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。
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