????:1?????:95?98??????

2?????????

3??????

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

5?????????????

??????11??????????????????23??????(??? ???????????????????)11????23????,“??????”??,????????

???? ??????????

???????,??,?????????????????????????????????????????????????????????????????????????????????????30??80??,???,??????????

?????,???????????????????????????????????????????????;????,?????????????????«GB/T23776??????????»??,??????5???????????????5????

??????????????????? ??????????

??????,??????????????,???????????????????????,????????(????)??,???????????????,????????????

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

?,???????????????“?????????”??????,????,?????????,??«??»«?????????????????????????»«?????»???

???????????????? ?????????????????

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

??????,????,????“???????”????,???????????????,“????????????????”???????????????????????“???????”???????????????39.2????????????????,????120??????,???????2????,90%?????????,75%?????“??”????????54.76????,?????????????????(?)

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