Terms for subject Mathematics containing be in size

English	Russian
be competitive in size with	конкурировать в размерах с
be similar in size to	приближаться по размеру к
be small in size	небольших размеров
in the early 1960s the size and types of problems were limited both by the capacity of early computers and by the lack of algorithm technology for their solving	ограничивались отсутствием алгоритмов их решения
it is not essential that the stages in a step rocket be of increasing size	было бы