| 单词 | centre of displacement | 
| 释义 | > as lemmascentre of displacement   centre of displacement  n. now rare = centre of buoyancy n. at  Phrases 1e. ΚΠ 1805    Shipwright's Vade-mecum 92  				Centre of cavity, or of displacement, the centre of that part of the ship's body which is immersed in the water; and which is also the centre of vertical force that the water exerts to support the vessel. 1853    Jrnl. Franklin Inst. 55 131  				The centre of displacement in the Susquehanna at 18 feet 6 inches draft is 7.67 feet below the water line. 1984    Cruising World Jan. 127  				The center of displacement of the boat. Its location is usually expressed in feet abaft the bow or abaft amidships or as a percentage of the waterline. < as lemmas  | 
	
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