You can buy a formulation containing royal jelly, pollen and vitamin C.可以买一种含蜂王浆、花粉和维生素C的配方产品。This formulation is perfectly correct.这是完全正确的规定.This formulation is not proper.这种提法不妥....
Variational principles play an important role in the formulation of many problems of mathematical physics.变分原理现在许多数学物理的表述中起着重要作用.Bernardine: You're quite wrong there. It's a special formulation that's just...