短語詞組短語calibration radio -beacon 供校正用的無線電信標radio fanmarker beacon 扇形指點標radio o beacon 無線電信標marker radio -beacon 標志無線電信標radio -beacon buoy [水運]無線電信標浮標radio marker beacon station [航]無線電標志信標電臺radio range beacon 無線電導(dǎo)航信標;繙譯radio marker beacon 無線電標志信標 返回 radio beacon