?????

1. ???????? ??? ?????? ??????

*1.1 ???????? ??? ????? ???????*

*1.2 ?????? ??????*

2. ???????? ??? ?????? ????????? ????? ??????

*2.1 historical ??????? ????????????*

*2.2 ??????? ???? ??????*

3. ???????? ??? ?????? ??? ????? ???????????? ???????

*3.1 ?????? ??? ?????????? ????? ??????*

*3.1.1 ????????? ??????*

*3.1.2 ?????????? ??????*

*2.? ????????? ??? ??????? ??????*

4. ???????? ??????????: ???????? ??? OEM

*4.1 ???????? ???????? ??? ??????*

*4.2 OEM ??? ???????????*

5. ??????????????? ??? ?????? ???? ????????

*5.1 ???????? ??? ?????? ???????? ??? ?????????? ??????*

*5.2 ????????? ???????? ??? ?????? ?????????? ?????*

6. ????????? ?????? ??? ???? ????????

*6.1 ???? ??????*

*6.2 ???? ????*

???

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