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1. Thebackscattering cross-section of thematerial is an important factor in determining itsstrength.
材料的背散射截面是决定其强度的一个重要因素。
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2. The measurement of the backscattering cross-section is crucial forunderstanding the behavior of particles in a medium.
测量背散射截面对于理解粒子在介质中的行为至关重要。
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3. The backscattering cross-sectionof the material was found tobe significantly higher than expected.
材料的背散射截面被发现明显高于预期。