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

2???92?9395,98???????

3?????

4?????

5???????

????????????10?!???:??

?,????????????????«?»????????,??????2??18???????????20?,«?2»??1????8?????

2????????18?,?????,????????10??“?2”!?:“«?????????2»??22?????????,????,??????????”

??,??cos(???????????????)????:?????????????????????“???????”,????????????????“??????”,???????

?cos??????,??:??cos?????????

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

???,????????????????“?”,??????«??????»?????????;?????“????????”,??«???????????»????????????????,????

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

«??????2»???

22??

?:???!??!

????????????????????2??????18????,«??????»????????????,??????????????????????????2??????19???2?????????22??????????,?????????????????????????????

?????????????(2?????????????18??),«???????????»???,??????,????????“??”???????,2?22??????,???????????????????8???,«??»??????(??)??????????123.2???????????

???????????,???????,«???????????»?????????,??,???????:“??,???????????,??????,????????”

????,??«?????»???????,?????????????????????????«????»???????????,??“????????”?????????

“?'??«??????»'????,????????”????????,?????????,???????

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

??/???:?????????????????????????????????????????

(????????)

????:????