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• It is (a) common practice to carry out a numerical analysis before entering upon an experimental investigation.
• It has become customary to use overall coefficients.
Русско-английский научно-технический словарь• It is (a) common practice to carry out a numerical analysis before entering upon an experimental investigation.
• It has become customary to use overall coefficients.
Русско-английский научно-технический словарь