survey marker的意思|示意

The plan, methods and principle of azimuth survey was introduced for Urumqi geomagnetic station marker.

介绍了乌鲁木齐地磁台测量标志方位角的方案、测量方法、原理。

The result showed that the FEP may be used for survey of iron deficiency in population, and it is also an im-portamt marker of efficaey of treatment.

结果表明，FEP不仅适用于大规模人群铁营养状况的筛查，而且在群体防治中可作为监测指标。