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

2?????

3???????

4????????????

5?????????

????,???????,????????????????,??????,????????????,?????????????????????????,?????????????????????,????,????????????????????????????

?????,???????,??????????????????????

?????????“????”?

?????????????Wilke?????????,??????45???????????????,??????????4???5?????????,??????????

???:??,????,????????????0.1???????,??????????;????,?????????,???????0.46????????????;???,????????????,?0.83???????????

?????,??????????????,????????????2??????,????

??,???????????????0.3???,???????!

???“???????”?????????????????????????????,???

Wilke????,??????,???????????“??”????!

“????????????”???“??????”??????????,????????????,?????????????,??????????????,???“???”?????????????

????????????

??????????,????????????????????????,????????????????,???:

???????,??????????????????,??????,????????????????????????,??????,“???????????”????????????,????????,?????????????????,?????????????????????????

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

??????????????,??,??,???“??”,???!????,?1?????????????,??????????

????????????????,????????????“????????????”?

??????????,????????,?????“?????????????”????,????,?????,??,?,???????1~2???????????????,??????????????,??????????????

???????????????????:?????  ??????

?????????:???????????????????  ??

???:??  ?????????????

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