双语例句
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At present, the actual methods of measurement are relatively backward, lacking a satisfactory precision, fast and convenient means of detection.
目前的测量手段比较落后，缺乏令人满意的高精度、快速便捷的检测手段。
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The distinguishing feature of this plan is to adopt silicon backward photoelectric diode as target screen and to scan with fast electron.
特点是采用“反向击穿硅光电二极管”做靶面，并用快电子扫描。
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The forward-backward methodology is combined with the fast multipole method(FMM) and the iterative physical optics(IPO) to improve convergence and computational efficiency.
详细推导了快速多极子方法结合迭代物理光学法和阻抗边界条件的混合计算公式。
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