... cable attenuation 电缆衰减 attenuation characteristic 衰减特性 ; 衰减性能 ; 消声特性 ; 衰减特征 spatial attenuation 空间衰减 ...
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结果表明：泡沫铝合金的超声衰减性能决定于其孔结构；
The results show that the ultrasonic attenuation properties are determined by the pore structures of Al alloy foam.
研究了闭孔泡沫铝合金孔结构参数对其超声衰减性能的影响。
Ultrasonic attenuation properties of porous and cellular Al alloy foam with spherical pore;
结果表明：膨胀石墨蠕虫比天然鳞片状石墨具有更好的红外衰减性能。
The result shows that the infrared attenuation performance of expanded graphite worm is better than that of natural flaky graphite.
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