In the land use investigation of the whole country, the basis map is saved in the form of SHP file format.

其中变化信息的发现与提取这一矢量操作模块是该系统的关键步骤，在全国土地详查中，土地利用基础图件大部分是以SHP文件格式存储的。

youdao

The purpose of the paper is to explore techniques, methods and nowchart of land use investigation upgrading based on SPOT5 high-resolution satellite image.

结果表明：采用SPOT5高分辨率卫星影像进行土地利用更新调查，是切实可行的，能够较大提高调查工作效率、保证调查成果数据的精度和可靠性。

youdao

It is proved that CBERS can preferably realize land use classification in karst area with big scale and, can substitute national image TM and can be applied for land use investigation in karst area.

实验证明，中巴资源卫星影像较好地实现喀斯特地区大比例尺土地利用分类，完全可以替代国外遥感影像TM而运用于喀斯特山区土地利用调查中。

youdao

Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices.

VOA: special.2011.05.02

Other federal agencies such as the U.S. Customs Service, the Drug Enforcement Administration and the Federal Bureau of Investigation use dogs to find contraband, cocaine or criminals.

CNN: Canines patrol grounds daily

The government said Federal Bureau of Investigation agents use GPS tracking devices in thousands of investigations each year.

WSJ: Supreme Court Reins In Police on GPS Trackers

If you have to have your memory refreshed with your report more than a couple of times (or at all in a simple case), cannot articulate your methods of investigation, use an inordinate number of vocalized pauses, allow yourself to get flustered, or just generally look like a dunce, the defense attorney has successfully tacked you on a cross.

FORBES: Q: What are some cultural faux pas in police departments?