... round-segment fused bifocal construction 圆弧熔接双焦距结构 round-segment multifocal 圆弧多焦距[眼镜] round-trip gain 来回增益 ...
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... 圆形波导管 round-segment fused bifocal construction 圆弧熔接双焦距结构 round-segment multifocal 往返增益 round-trip transit time ...
基于1个网页-相关网页