- EDR?????? ??????????? the rate of Trade - E??????? ??????????????? a revenue order called arbitrated cash order ??????????? ????? - EDR?????? a trigger?and?outcome sequence of activities?????'???????????????????????????????????????????????; ??; ??; ??; ???; ??; ??; ??; ??????; ?????; ??; ???????? ???????? - EDR?????? of a numbered order