文档介绍：???????????????????????????????? 1. ?????????????????????????? ZY = JD -T YZ = ZY +L QZ = YZ - L/2 JD = QZ + D/2 ???? 2. ??????????? 1. ????????? 1. ???????????????????????????????i ?? Ci ?????? 2 ? Rtg T??180 ??RL?)12 (sec ???RELTD??2 ?????180 ) cos 1( sin R l Ry Rx ii ii ii???????180 22R l iii??? 2 324 2 sin 2R llRc ii ii??????: ???????? K3+, ?????=25 ? 48 ?, ????? R=300m ????????????? 1. ??????: T= L= E= D= 2. ???? ZY = JD ?T= ? = YZ = ZY +L= + = QZ = YZ ? L/2 = ? = JD = QZ +D/2 = + = ( ??) 01 03 01 012 1122 2 2 2??????????????????????? A011??????n nBn YZn??????? 1 ???????????????? K0+ ?????y= 180018'36" ?????? R=100m ?????? ls=10m ??????????????????? p= ? q= ??????? ZH=K0+ ? HY=K0+ ? QZ