英语 ⇄ 俄语 +

on both grounds 强调
数学	по обоим соображениям (On both practical and physical grounds it is of interest, therefore, to determine conditions that will guarantee that K has a unique fixed point.)

on both grounds : 13 短语, 4 学科

一般	1
惯用语	4
数学	4
马卡罗夫	4