attractionn.吸引；吸引力；有吸引力的人或事物attraction of gravitation地心引力Attraction and excitation吸引与激励attraction capital of port港口融资Attraction of opposites.对面的吸引力。attraction between particles粒间吸引力attraction point of transport交通吸引点attraction between two objects两个物体间的引力attraction force characteristic吸力特性attraction-repulsion mechanism吸引排斥机制attraction and repulsion function吸引和排斥函数