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| reliance on (I. Havkin) | |||
requirement for (чем-либо. It's a tricky word, same as "necessity", e.g. "R. for something to be confirmed during EPC". Look it up in  merriam-webster.com Aiduza) | |||
| the necessity for (чем-либо) | |||
| need for (this step of research would still not eliminate the need for heavy electric generators • compensate for the losses of energy, the need for more efficient lasers should be eliminated) | |||
| необходимость в: 379 phrases in 76 subjects |