引力定律
【医】 万有引力定律, 牛顿氏定律

gravitation law of causality norm of international law maturity of law subject of international law code of mercantile law rule of law code of civil law cobwebs of the law table of arithmetic law law of nature Newton's law of gravitation Einstein's law of gravitation law of universal gravitation newton law of gravitation Newton's law of universal gravitation gravitation law constant of gravitation gaussian constant of gravitation attraction of gravitation constant of universal gravitation Newtonian constant of gravitation