Moreover, diffusing thickness in unit time of active atom tin increased with the temperature firstly and then decreased with the time at the same temperature.
而单位时间内锡原子扩散厚度随温度升高增长较快，同一温度下单位时间内锡原子扩散层随时间增加呈现先增加后减小的趋势。
Moreover, diffusing thickness in unit time of active atom tin increased with the temperature firstly and then decreased with the time at the same temperature.
而单位时间内锡原子扩散厚度随温度升高增长较快，同一温度下单位时间内锡原子扩散层随时间增加呈现先增加后减小的趋势。
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