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

2?????5??400

3?????????

4?????

5??????24????

??2??????????????17????????? (?????)???????17????????????????,??«???????????????????»??????????????????,«??????»(1982?)????

??????????????????????????????21?????,?????????????????????“Z?”????????????????,2200?????????????89%?

??????,????:«?????????????????????»(1982?????)????????????«????»???«??»(1994??????????????????)?????,????,???

??????,«??????????????????»????,?????,???«?????????????????:?»?????????????????

??????????21???????????????????????????????????????????,????????????????????????1800???????????,?2?????,???????,????????????????,??????(??) ????:??????????????