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

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

3????????2?

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

5??????

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

??????????????“?????????????”?“??????”

?????“????”!

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

«?????????»??????????,??,????,??????

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

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

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

??????????

????????“??????”???????“??”???????????????????“??”

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

«????????»?,??,?????,??“???????”???

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

??????????????,???,???????“90??????????????????????”,????????????800?????,???????“??????????”,???????????400??????

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

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

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

?????!?????!

??????????

«?»??,????????????,????????,?????????

?«??????»(GB/T 14272 - 2021)??????????:

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

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

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

???????????,???????????????,?20?????????????????????????

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

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

?????“?????????”???“?”????40??????????,?????????????????6????«??????????????????»????:

??“????”????????????

???????????????????????“????????????????????”?

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

?????????????,??????“?????????????”?

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

???????,????????????????,?,????????????????????????????????????????????,??,??????,???????????7????????

???????7???????,??????????,?,?????????????

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

???:?????