试验进行时必须符合本标准第4 条的规定。的翻译：4th test must meet the standard requirements. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The trials must comply with the provisions of Article 4 of this standard.

4th test must meet the standard requirements.

The experiment carries on when must conform to this standard 4th stipulation.

Testing must be carried out with the standard is met, the provisions of article 4.

4th test must meet the standard requirements.