These in turn, the dependence on imports form the second wave of impact the U. S. economy.
而这些反过来，又形成对依赖进口的美国经济的第二波冲击。
The lifetime of carriers in the photoconductor also has an impact on the terahertz wave.
材料中的光生载流子寿命对辐射也有一定的影响。
The lifetime of carriers in the photoconductor also has an impact on the terahertz wave.
材料中的光生载流子寿命对辐射也有一定的影响。
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