???????????

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

???????,???????????????,?:???????????????????,?????????,????,????????????????????????????????,?????????????,????????????????,????????????,?????????,??????,????????????????,?????,????????????,??????,??????????,??????????????????????,????????????,??????,????????

2???????????

??????NS??????????,???????????????????????????????????>3.5g/d?????????,?????????????????,???????????,?????????????,?????????????,??????????????????????(???????????????????)???????????

3???????????

???????????????????????????????,??????

?????0.8?1.0g/(kg�d)?????(??????????????)??????????,???????????30?35kcal????????????,????????????????,???????????????,????????????

??????(<3g/d)??????????,??????????(????)???,?????????????(???????)????????(???)????

1???????????????????,??????????,?????????,??,????????,??????????,??????????

2???????????�???�,?????????????????????,?????,????????????????????????????

3????????????????,??????,??,?????????,??????????????????

4?????????????,???????????,????,?????????????????

5??????????????,?????????,??????????????

1??????:??1????120?,???,????,?2-3?????????????????????,????????????????????????

2??????:??1?,???,???,??????,????,????,??????,??????,????,??????????????

3??????:??1????,???6?????3?,????,????,?????????????????,?????????????????????????????????????

4?????:?3?????????,???????,????4-5?,????(???????),????????,???????????????????????????????????????????????????