Results At baselinesurvey, there are no differences in hemoglobin and prevalence of anemia between two groups.
结果基线调查时，两组儿童的血红蛋白及贫血率没有显著性差别。
2
This paper describes three positioning modes of towing equipment in marine survey, the board-hanging mode, LAYBACK mode and ultra-short baseline mode.
介绍了海洋调查中测量设备拖曳体（拖鱼）的三种定位方法：舷挂式、LAYBACK方式和超短基线方式；
3
Baseline solution is the key step of static GPS surveying. The precision analysis of baseline solution result under every condition is benefit to improving GPS survey precision.