游离状打浆;
Free Induction Decay Quantum Beating in Eu ∶ Y_2O_3 Powder
稀土粉末Eu∶Y2O3的自由感应衰减量子拍
Nina managed to free herself and began beating at the flames with a pillow
尼娜好不容易挣脱出来,拿起枕头用力扑打火焰。
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