包装材料中不应含有有毒性的元素、重金属，或含有量应控制在有关标准以下。

Packaging materials should not contain toxic elements, heavy metals, or the amount of content should be controlled in accordance with the relevant standards.

youdao

但几乎可以确信的是：该政策已将生育率降低到标准以下，事实上这一标准无论如何都应可达到。

But the policy has almost certainly reduced fertility below the level to which it would have fallen anyway.

youdao

排放把承接水源的水质降到了环境标准以下，为了防止迫近的健康危险，也可以实行强制性措施。

Enforcement was possible only when a discharge reduced the quality of the receiving water below the specified ambient level, or to prevent an imminent health hazard.

youdao