measurement standard
preferred label: استاندارد اندازه‌گیری @fa
type: Concept
narrower: transfer standard

calibration
preferred label: واسنجی @fa
type: Concept
related: transfer standard

transfer standard
related: calibration
related: voltage measurement
broader: measurement standard
preferred label: استاندارد انتقال @fa
type: Concept

voltage measurement
preferred label: اندازه‌گیری ولتاژ @fa
type: Concept
related: transfer standard