??? uuuuuuuuuuuuuxuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuxu

??: uuuuxuu

????: uuuuuu

??: uuuxuu

?? ??

??:

uuuuuuuuuuuuuuuxuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuudu????

??: uuuuxuu

????: uuuuuu

??: uuuxuu

?? ??

??:

??? ??? ?? ???? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??? ??.

? ?? ???? ??? ?? ??? ???? ??? ?????? ????? ??? ??? ??? ???? ??? ???? ?? ???? ??.

1. ???, ??? ???? ??? ??? ??: u u u

2. ???? ?? ???? ? ?? ?? ??, ?? ??, ?? ??, ?? ?? ? ?? ??? ??? ???? ??, ??? ??? ????? ???? ?? ??? ?? ??? ??? ? ??.

? ?? ????? ? ????? ????? ????? ???? ??.??? ??? ??? ????? ???:

1.??????:

(1)???????:uuuuuuuuuxuuuxu uu.

(2) ?????: u

2. ?? ?? ?? ??

3. ?? ?? ?? ??: u u u u u

4. ?? ??, ??? ??? ??

5.??:uuuuuuuuuuuuuuuuuuuuuxuuxu uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu

?? ?????? ??, ?? ??, ???? ??? ??? ??? ?? ????, ????, ?? ?? ??? ??, ??? ??, ?? ?? ? ?? ?? ??, ?? ??? ??? ??, ?? ??? ?? ? ??? ??.

?3????? ??

1. ??? ??? ???? ???? ??.??? ???? ??? ???? ??? ??? 20% ? ???? ???? ??.?? ??? ????? ??? ? ?? ????.

2. ???? ??? ??? ?, ????? ???? ??? ??? ??.

3. ????? ? ??? ??? ??? ??? ???? ?? ?, ?? ???? ??? ??.

?4?????

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

2. ??? ?? ??? ??? ??????? ??? ????, ? ?? ??????? ??? ??? ? ??? 10%~30%~30%, ??? ??? ????? ??? ??? ??.

3. ??? ???? ?? ??? ??? ?? ????? ????? ??? ??, ??? ?? ??? ??. ? ??? ??? ????.

4. ???? ?? ?? ??? ???? ??? ?, ?? ????? ??? ???, ?????? ?????% ? ???? ??.

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

?6? ? ??? ?? 2?, ??? ?? 1?? ????.??? ?? 1? u