two-way attenuation

例句：

1. 1.The two-way attenuation of the signal is a critical factor in determining its quality.
   信号的双向衰减是决定其质量的关键因素。
2. 2.In this experiment, we measured the two-way attenuation of light through a prism.
   在这个实验中，我们测量了光线通过棱镜时的双向衰减。
3. 3. The two-way attenuation model can be used to predict the performance of communication systems.
   双向衰减模型可以用来预测通信系统的性能。