as deemed necessary (tlumach); as appropriate (Iv_lar); whenever required (Johnny Bravo); from time to time (YuliaO); at pace (Andrey250780); so far as necessary (Stas-Soleil); as it may apply (Technical); as may be requisite (elmajor); as the need required (Andrey Truhachev); on an ad hoc basis (We meet on an ad hoc basis Taras); as and when necessitated (Alexander Demidov); as may be required from time to time (AD Alexander Demidov); as the need arises (ABelonogov); as often as required (drag); as and when necessary (mascot); when necessary (Andrey Truhachev); when needed (Andrey Truhachev); on an occasional basis (Rori); as needed (Alex_Odeychuk)

as and when required (Alexander Matytsin)

as they are needed (Рихтер Дж. CLR via C#. Программирование на платформе Microsoft .NET Framework 4.5 на языке C#, 2013 Alex_Odeychuk)

ad hoc (not regular or planned, but happening only when necessary – We meet on an ad hoc basis. Kosarar)

at the moment of need (напр., ресурсы выделяются процессу ssn); on demand (ssn)

as the circumstance arises (wikipedia.org Andrey Truhachev); in the circumstances (wikipedia.org Andrey Truhachev); pro re nata (об использовании препарата Dimpassy)

as they see fit (Рихтер Дж. CLR via C#. Программирование на платформе Microsoft .NET Framework 4.5 на языке C#, 2013 Alex_Odeychuk)

по мере необходимости

: 35 фраз в 16 тематиках

Автоматика	2
Бізнес	1
Загальна лексика	8
Засоби масової інформації	3
Інформаційні технології	2
Канцеляризм	1
Контроль якості та стандартизація	1
Космос	1
Медицина	1
Морський термін	4
Нафта	1
Поліграфія	2
Політика	1
Програмування	3
Профспілки	1
Техніка	3