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

2?????????

3??????????

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

5??????????

12?18?????????,??????

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

??,????«???????:????»??????????«????»???????400????“?????????”????,“????????????????”?????????????????

???,??????,??“????IP??”?????????????????,???????????“????????????”;?,???;??????“????”??,???????????,???,?????

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

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

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