??????12????4???????????????? (?? ???)??????????????????????,?????????????12?4???????????????12?46??????????????????????,??????,?????????,??,??????????????????????“??”??

?????????SAR(???????????????????)?,?,????????

12?4????,?????????,???????????????? ??????????

?????????“??????????????”??????,???????????????,??????????????????????????????????,??300??????????450???????,???1.4????1.8?????,??????

??28??(?????)

????????????????????:??? “????????????”_????

?? ??? ????????“???????”????

????:1?????????????:??????

2???????????

3???500???4???

4?????

5?????wx??

??????12????4???????????????? (?? ???)??????????????????????,?????????????12?4???????????????12?46??????????????????????,??????,?????????,??,??????????????????????“??”??

?????????SAR(???????????????????)?,?,????????

12?4????,?????????,???????????????? ??????????

?????????“??????????????”??????,???????????????,??????????????????????????????????,??300??????????450???????,???1.4????1.8?????,??????

??28??(?????)

????????????????????:???