Part of our work was to update his numbering system and establish a new national standard.

我们的部分工作是更新他的数字系统和建立一个新的国家标准。

youdao

Part of our work was to update his numbering system and establish a new national standard.

我们的部分工作是更新他的数字系统和建立一个新的国家标准。

youdao