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

????:????????:????vx

????????????????????11???????????????????????24???????????? (????????????????? ???)«?????»????,?????????????????????????????;???????45??????

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

23???????,???????????????????????,?3?????????????,?????????????11.3???,?????100?????????,????????

????????????,?2027??,??????????2000?,??????????????????????400??,??????200????????????????????,??????????????????????,????????,???

??,??????????????????????,??;?????,???????

???,???????????????????30%???????,??3???????????????????51.8%?

???????,???????20????????????????30????????????????????(????33.3%),????????15??20?(??29.6%)??????,?????????,???????45???(???)

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