Back at the lab, technicians assign the frames latitude, longitude and elevation coordinates from U.S.Geological Survey ground references and scan dozens of frames into a computer. 回到实验室，技术人员会参考美国地质调查所的地面资料，指出画面拍摄的经纬度与仰角坐标，并把数十张画面扫描到电脑里。
Figures relate only to those industries covered in the Quarterly Survey of Employment and Vacancies and the Quarterly Employment Survey of Construction Sites. 有关数字只涉及雇佣及职位空缺按季统计调查及建筑地盘就业人数按季统计调查所包括的行业。
