1998年，升级本标准的必要性以及使其得到国际标准化组织的认可已显而易见。

In 1998 it became evident that additional updates to the standard were necessary and that formal recognition through an internationally recognized standards organization was required.

youdao

1998年，升级本标准的必要性以及使其得到国际标准化组织的认可已显而易见。

In 1998 it became evident that additional updates to the standard were necessary and that formal recognition through an internationally recognized standards organization was required.

youdao