???? ???? ????? ?? ????? ?? ???????? ??? ?? ??? ????? ?? ????. ????? △102?(?????~???) △103?(???~???)△806?(???~?????) △120?(?????~???)△121?(???~?????) △814?(???~??)?? ????? 10~20? ???? 5??? ??. 110?(??~???), 110―2?(?????~????) ? 2???? ????? ???? ?? ????? ???? ?? ????. 〈??〓?????〉