см. тж. более точное ~ ; в весьма хорошем приближении ; в грубом приближении ; в качестве приближения ; в первом приближении ; в хорошем приближении ; грубое ~ ; с хорошим ~м
• The fine image of an optical system is an approximation of a two-dimensional Dirac delta function.
• The computed stresses at the centre of the load should be considered as a reasonable approximation to the stresses at the edge of the attachment.
• Their weighted mean closely approximates the true daily mean.
• The true daily mean is closely approximated by the mean of 24 hourly readings.
• φ is the first approximation to the solution of the ... equation.