?�?�?????o���3 > ???�?????�?��? |
�?o????�??3??��?�D?T1??? |
���??�?��? �2�?�a?�?�2a�?�?��GB/T 41393-2022'�??2�?�1???�????? |
?�?Y���??�?��???2�?��???o�1����?�?,�?'�?T?�?��?���??�?��?�1�???3??��???�?1���??DD�???,???�o?��????o?���??�?��???�2�?�?D?'�??2�?�1???�????? |
�?�??�?��?1??�?y??�y???y??�?�??��???�??? |
?D???�?y??�??a'?�3,??�???2??�'�?�?�?�,�|�?�??�1?;�o?1?y?????�??,3�?�o1�,?�?��?????D??��?�?D?;?????y??D??�?����o?1o�???�???? |
''?�??鱷��??�?��?�?2�???? |
?�????鱷��??�?��?�?2�,???�???�??D�1?,�?�???????'??�??????��??�??�??�;?�??�?�a????鱷��??�?��?�?2�,2��?�?�a????o�?�?????????????�??????�? |
�??????�?�?��??D???o-�?'�''?�???�?�?��??D???o |
�???'�?�?�D?1�3�?�?o?3??�?''?�???�?�?��???�e�?'�-''?�???�?�?��??D???o12?�D-��,''?�?a�????�?��??D???o'�?�3????�?�?��?����??���??a�????? |
?????�?��??�????�?�2?'-?????�?��?��?? �'�?���? |
?�????1y3�?D?�?��?���????�???�??�????��Y�?,?y?�?'DD????�??????e???�;?1?��?�?����??????�???,2�?'????���,??�??????�?��?�'�?��D? |
�???�?�a???????�?��?-''?��?�a???????�?��? ???� |
�???�?�a???????�?��?2?D��a?���,5�??�?�?��?��3��???�???????��???,?1??�?�?�?o��a?D�|װ??,?��???1?�??a??�?�a??,�??��??�2?�?�?�a??�?o| |
1??YD?�?'��-�??2?a?�?��?1|?�?��� 3�?�?��? |
D?�?'��-�??2?a?�?��??�?�??'�?Do??�o?,?��?�?�??2?a,��??2?�?,�D??�???���D��?�,?1?�2?�?��??�'?���2�?�,?��y?�?�??�?�'?�1? |
'�?�????�??a�??????�?��?VR?��|??3��?o??�????�?Science��?? |
????��?��?��?a?T??�??�??�3�|�????�?��?VR?D,�??�?��??�????3???'???�'�?�?2?????3�??�??��??� |
�?�???��?�?��? |
�?�???��?�?��??��??o�??�,��3�?o?��??�??�???�a??,�??��?�??�????�?D�?��?�?�D?,�???�?�??��?��3�?�׷?Y�??�1��� |
�-�?�y??�?�??2?a?�?��? |
''?��-�??2?a�y??�?�??�?��?�D''''�y??�t???�?��?,���?D?D?�?'��-�??2?a?�?��?�??�'�?�t??�y???2?a?�?��? |
''?�??�?2?�?�t???�?��??�D?�2�?1�?���????� |
''?�??�?2?�????�??GB/T 39785-2021??�t???�?��? ?�D?�2�??�1��?2a�?�?��?�??1??��?�t???�?��?????�2�?�D1???�?�???????�2�?2a�?�??t... |
???�?T�????�?�?��??�??�??�?�?????�??32��3?�??� |
???�?�?��??�?�?'?�??1���3??�?D�?��'??�,�?�D3?'�????,?��?�?2???,�?��3�?T?�'?�????�,�?3??�1����??�2??�?��?�?YD?�?�? |