Conclusions: BWR is an accurate diagnostic method for initial posterior approximal caries in present clinic practice.

结论: 平行投照的BWR是目前较好的临床诊断方法,对于早期邻面龋有一定的诊断能力,但诊断水平尚有待提高.

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Conclusions: BWR is an accurate diagnostic method for approximal caries in present clinic practice.

结论: 平行投照的BWR是目前较好的临床诊断方法,对于早期邻面龋有一定的诊断能力,但诊断水平尚有待提高.

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The drive is different from electric - magnetic drive for PWR or hydraulic drive for BWR.

这种传动不同于压水堆上使用的电磁 - 机械传动,也不同于沸水堆上使用的液压传动.

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The comparison of the computational results for reactor core of PWR and BWR are also presented.

文中还给出了压水堆和沸水堆堆芯计算实例的比较.

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