???? ? ???? 1300? ??? ???(37·??)? ??? ????.
???????? ???? ? ???? ??·??? ??(??·???? ???? ?? ?? ?? ?)? ??? ??????? 4? ???.
??? ??? 7??? ?? 6?29??? ???? ?????? ?? ??? 43?? ????, ??? ??? ? ? ??? 1293?? ??? ? 88?? ?????? ??? ???.
??? ???? ?????? ?? ?????? ?? ??? ?? 1000?~2?? ??? ????? ????.
??? ‘n??’? ‘???’ ??? ??? ? ???? ??? ????.
??????? ???????? ??? 16? ????? ??? ? ?? ?? ????? ??? ??? ??? ????.
??? ???? ? ??? ??? ??? ??? ???? ??. ??? n?? ?? ??? ??? ??? ??? ??? ‘??’ ???, ‘???’ ???, ‘??’ ??, ‘??’ ???, ???, ??? ?? ???? 7???.