Large-scale metrology technology is crucial for high-precision measurement or calibration of large-sized objects'length,positional attitude,and shape parameters.Its applications span across industrial manufacturing,large-scale construction,and industrial measurement fields.This field is evolving with the progressive development of advanced optical technology,precision measurement techniques,data fusion technology,and engineering application technology.As a result,large-scale metrology technology is undergoing continuous innovation,leading to new advanced metrology techniques.These breakthroughs overcome the traditional constraints of single-value measurements and offline traceability in large-scale metrology,shifting towards composite parameters and in-situ traceability.This transition is part of a broader move towards digitalization,streamlining,and intelligent transformation in high-precision large-scale metrology.The article provides an overview of advanced measurement techniques in indoor industrial measurement and outdoor geodetic measurement within large-scale metrology.It offers insights into future development trends and presents new ideas for the advancement of large-scale metrology technology.
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