Thereafter, the main measurement for the installation face of the bolt and the centerpoint of the bolt is done and the three-dimensional measurement to the measured object is made, based on the tentative target point. その後仮目標点に基づいて、ボルト取り付け面およびボルト中心点の本計測を行い、被計測物に対する3次元計測を行う。 - 特許庁