????:1???????????????:????app????

2???????

3???????

4????????

5??????V

???????8????????????21?? ??????????????????:????“?????”???????????????????“???”

????? ??

“(????????????????)?,?????,?????????????”21?????,???????“????”??,??????????,?????????

8???21???????????????,?(??????)????????(??????????)? ?? ? ??????

??????????????,?????????????????26?“??????”?????????????,???????????????16.200???????????????0.7?????????????????,????????,?????????????????????????

??????????????????????,??????,??:“?,???????????”“???,?????????(???)????????,?0.166???”?

8?21?,????(?????)??????????????(??????????????)????????????????????? ????????????? ???? ??????????????

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

??????????????14?,?19???????,?26?????????????????,???,?????????????,???????????,???????????????

“?(??????????????)?????,????????????,?????????????,??????”???????????????,?,???????????????????,???????,??????

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

“??????????????????,?????????????,?????????????,????????????”????????,?????????????,???????????????,??,????????,???????,??“???????”?(?????????????)

???:????