Terms for subject Mathematics containing be in order of

English	Russian
additional hypotheses should be made in order to establish the existence of a classical solution	чтобы доказать существование классического решения, необходимо наложить дополнительные ограничения
be rated in order of	классифицироваться по
in order to establish the laws governing the variation in these parameters, physical investigations of a thermodynamic nature are needed	установить законы
the above formula should be supplemented with two terms in order to better take into account the nonuniformity of characteristics	лучше учитывать