Due to lack of timely understanding of the issuance and implementation of international standards and unfamiliarity with international standards, some standard year numbers are incorrect or not updated in time.
The lack of timely understanding of the implementation of the issuance of international standards and unfamiliarity with international standards have led to some standard year numbers incorrect or not updated in a timely manner.
Due to the lack of timely understanding of the release and implementation of international standards and the lack of familiarity with international standards, some standards are not updated in time.<br>