如能证明它们达到同等的安全程度的翻译：To prove that they meet the same level of security 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

Can prove that they achieve the same degree of safety

To prove that they meet the same level of security

If can prove they achieve the same level safety rate

If they can prove that they achieve the same level of security

To prove that they meet the same level of security