释义 |
centers of gravity
center of gravityn. pl. centers of gravity 1. Abbr. CG The point in or near a body at which a single particle having the same mass as the body would have the same gravitational potential energy as the body. In a uniform gravitational field, center of gravity is the same as the center of mass.2. The point of greatest importance, interest, or activity: "The center of gravity for the English language is no longer Britain. American English is the greatest influence on English everywhere" (Robert W. Burchfield).centers of gravityThose characteristics, capabilities, or sources of power from which a military force derives its freedom of action, physical strength, or will to fight. Also called COGs. See also capability; decisive point.EncyclopediaSeecenter of gravity |