| 单词 | cqd |
| 释义 | > as lemmasC.Q.D. C.Q.D. n. in wireless telegraphy, the signal formerly used by ships in distress, consisting of C.Q., the international sign for ‘all stations’, followed by D indicating ‘urgent’; after 1908 superseded by S.O.S. ΚΠ 1909 Daily Chron. 17 Feb. 3/5 Among the ships responding to the ‘C.Q.D.’ message were the Lucania, [etc.]. 1928 Manch. Guardian Weekly 7 Dec. 450/3 That..when his ship took a list..[he] should have sent out a peremptory C.Q. call. < as lemmas |
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