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本发明的有益效果是：该方法获得的异质结器件具有很好的整流比、高电流密度的特点。
The invention has the advantages that the heterojunction device acquired by the method has the characteristics of good rectification ratio and high current density.
它用于整流条件差且轮毂比小的空冷风机上有明显的节能效果。
It has evident effect of energy saving on the use of air cooling fan with poor rectifying condition & small hub ratio.
结果是：有整流器时的孔板流量系数均比无整流器时的孔板流量系数稳定且波动小。
The results show that the flow coefficients of the orifice-plates with a rectifier are more stable and have less fluctuation than those without a rectifier.
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