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

2???95?

3?929598???????

4????????

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

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

??????? ??

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

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

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

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

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

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

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

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

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

?????:?????