The fraction is dependent on the target material, temperature and incident positron energy.
转换率依赖于靶材料、靶温度和入射慢正电子能量。
Cement is a general grouting material that has strong time-dependent behaviors.
水泥作为灌浆的主要材料具有强度时间相关特性。
Cement is a general grouting material that has strong time-dependent behaviors.
水泥作为灌浆的主要材料具有强度时间相关特性。
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