control survey การใช้

• Some recent federal Centers for Disease Control surveys on teen-age sexuality have encouraged researchers.
• Recently, BFAR put up four initial pilot monitoring and control survey stations in the provinces of Palawan, Batanes, Davao and Tacloban.
• After the Passamaquoddy project fell through, Casey served with the Boston Engineer District on flood control surveys of the Connecticut River Valley.
• The tasks more closely related to civil engineering include the design and layout of public infrastructure and urban subdivisions, and mapping and control surveys for construction projects.
• The role of the Royal Australian Survey Corps was to provide the maps, aeronautical charts, hydrographical charts and geodetic and control survey data required for land combat operations.
• His scientific achievements were recognised by the International Association of Geodesy which elected him Secretary of Section ( Control Surveys ) of the Association, and President of the Special Study Group on Geodetic Astronomy.
• Census workers spent the summer following up the mass mailing to 120 million households, trying to reach those who did not send back the questionnaire and conducting selective quality-control surveys to double-check answers for accuracy.
• A Centers for Disease Control survey found that 20 million Americans, excluding blood donors, have already been tested, including 55 percent through a doctor or hospital, 39 percent through a clinic and 7 percent at military inductions.
• Control surveys can be carried out to inform the following : determination of scales for photogrammetric mapping, establishment of precise coordinates based on a universal mapping system, establishment of sites for hydrographic charts, mine construction, or the routing of highways and transmission lines.
• Land surveying can include associated services such as mapping and related data accumulation, construction layout surveys, precision measurements of length, angle, elevation, area, and volume, as well as horizontal and vertical control surveys, and the analysis and utilization of land survey data ."