Russian ⇄ Chinese English

эталон служит для передачи размера единицы средствам измерения stresses
Makarov.	a standard serves to transfer the size of a unit to instruments in the lower echelon of the calibration hierarchy; standard serves to transfer the size of a unit to instruments in the lower echelon of the calibration hierarchy; standard serves to transfer the size of unit to instruments in the lower echelon of the calibration hierarchy