? ???? ???(???)? ?? ???? 2?m?? ?????? ???. ???? 7? ????????? ?? ?16? ???????? ??? ???? 2?m ???? 2?18?13?? ??, ?? 9? ????????? ??? ?? ????(2?18?51)? ????? 0.38? ????. ???? ??? ?? ??? ???? ????? 1?m ?? ??? ????? ??? ???? ???, ???(???)? 10??? ???? ???? 1?? ????. ???? ??? ??? 4?m??? 4?27?86?? ????? ???? ???? ????. 〈????〉