在传感器上施加电磁脉冲，通过时间域反射计记录反射数据。
Electromagnetic pulses are applied to the sensor and the reflections are recorded with a time domain reflectometer.
反射数据实际上是反射特征系数沿着具有一定雷达波束宽度的波阵面圆弧的积分。
Projection data is obtained from an integration of the reflectivity coefficients of the objects along the circular arc of the wavefront with a radar beamwidth.
克莱门廷的数据显示：南极撞击坑比预期的反射性更强。
Clementine's data indicated that the wall of the south-polar crater was more reflective than expected.
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