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for subject
Mathematics
containing
essential to
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all forms
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exact matches only
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in specified order only
English
Russian
be
essential to
быть необходимым для
(or in)
be
essential to
the development of
иметь существенное значение для развития
be
essential to
the understanding of
быть важным для понимания
is
essential to
существенный для
its very presence is essential for the motion to take place
само по себе
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