gravitation [i gr@vqt3i.qn ]    (¼øÀ§: 8160 - ´ëÇÐ ¼öÁØ)  
¶æ Áß·Â,ÀηÂ
Mean The natural phenomenon of attraction between physical objects with mass or energy.
¿¹¹® 1. terrestrial gravitation (Áö±¸ ÀηÂ)
2. the gravitation of the population from the country to the cities (Àα¸°¡ ½Ã°ñ¿¡¼­ µµ½Ã·Î ÁýÁßÇÏ´Â °æÇâ)
¡¡