检查砌砖质量及标定中心线用的测量标桩已经建完，测量仪器准备完毕，校验合格。
Survey pegs for checking brickwork quality and demarcating centerlines have been finished and surveying instruments have been prepared and well checked.
血管中心线及直径的测量是血管类疾病诊断和微创介入治疗的重要依据。
Measurement of vascular centerline and diameter is a fundamental step in diagnosing vascular diseases and planning minimally invasive surgery.
精确地获得光栅条纹中心线的相对偏移量，在三角形法测量物体三维轮廓技术中占有非常重要的地位。
The sub-pixel accuracy in abstracting the fringe-centerlines can be obtained by the method of barycenter after preprocessing the fringe picture using grating projection.
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