Parametric release in circumstances deemed appropriate by the competent authority is thus not precluded by the need to comply with the Pharmacopoeia.这是几个从句,怎么分呢
Parametric release [in circumstances (deemed appropriate by the competent authority)] is thus not precluded [by the need (to comply with the Pharmacopoeia)]
The parametric release from competent authority shall also comply with the Parmacopoeia.