单词	圆形画
释义	圆形画n.tondo圆形画；圆形浮雕
随便看	optical frequency control optical frequency conversion optical frequency converter optical frequency division multiplex optical frequency division multi plexing optical frequency division multiplexing optical frequency-domain reflectometry optical frequency hopping optical frequency measurements optical frequency refractive index optical frequency standard optical frequency synthesizer optical gage optical gain optical gain-clamping optical gain control optical gain saturation optical galaxy optical gap optical gate optical gauge optical generation of microwaves optical glass optical goniometer optical graphical rectification