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backscattered 英bæks'kætəd美bæks'kætəd 高COCA¹³⁴⁷⁴⁷BNC¹⁷³⁹⁹⁵⁺² 基本英英例句 反背向散射的原型backscatter的过去式和过去分词 动词 backscatter: scatter radiation by the atoms of the medium through which it passes After analyzing the mark signal of Scanning- Electron-Beam Lithographic System , it gives the scheme and block of backscattered electron detection circuit, also gives the result of the experiment. 本文通过对扫描电子束曝光机标记信号检测及对准技术的分析,提出了背散射检测电路的设计方案和电路原理图,给出了实验结果; cnki The nuclear- cement log is similar to a density log in that it contains a gamma ray source and measures the backscattered gamma rays. 核水泥测井与密度测井相类似,因为它具有一个伽马射线源,而且测量反散射伽马射线。 www.infopetro.com.cn Theatre- goers receive sound from the front, reflected off the theatre's foreground, as well as from behind them, backscattered by the seats. 观众们把从前面传来的声音反射到剧院前方区域,同时从后面传来的声音通过座椅进行背向散射。 ecocn Using this formula, the backscattered RGS of rectangular conducting flat plates coated with lossy dielectric is computed. The results computed here are in fair agreement with the experimental values. 计算了涂覆有耗介质的矩形导体平板的后向雷达散射截面,计算结果与测量值一致。 cnki A new advanced backscattered electron detector is introduced. 本文介绍了一种先进的新型背散射电子探测器。 cnki A new method is presented which is based on the Hilbert transformation of ultrasonic backscattered echo signals from defective materials. 本文基于对超声后向散射回波信号的希尔伯特变换提出了无损检测和无损评价的一种新方法。 cnki An alternative approach is to classify the homogenous sea bed using the backscattered signal from side scan sonar. 另有一种办法是利用侧扫声纳的散射信号进行海床类型的识别。 cnki Based on comparative analysis on the old and new data, box- wave technique is proved to be effective to suppress backscattered seismic noise. 通过新、老资料采集、处理对比分析,盒子波技术综合应用研究取得良好效果,是压制各种干扰的有效手段。 cnki Because the image of backscattered electron could reveal structure of the mark as well as the surface, we chose the backscattered electron signal to detect the position of the mark. 由于背散射电子信号的图像既可以显示样品的形貌也可以显示样品的成分所以选择背散射电子信号进行标记位置检测。 cnki Both simulated backscattered signals and ultrasonic backscattered signals from bovine cancellous bone in vitro were processed. 对计算机仿真信号和离体牛胫骨松质骨的超声背散射信号分别进行分析处理。 dictall By using the Monte Carlo method, we calculate the spatial resolution of the scanning electron microscope using low loss energy and coaxial backscattered electrons. 用蒙特卡罗方法模拟计算了利用高能同轴背散射电子的扫描电子显微镜的空间分辨率。 cnki Conclusion The backscattered ultrasonic signal is particularly important for assessment of cancellous bone, and BSC can be used in assessment of the status of cancellous bones. 结论在用超声评价松质骨状况时,背散射信号具有重要作用,其 BSC可用于评价松质骨状况。 cnki |