Often, it is something global like WGS-84 (World Geodetic System 1984, used by all GPS devices), or a regional datum like NAD-83 (North American Datum 1983).
它常常是全球大地基准点（比如 WGS-84，即 World Geodetic System 1984，由所有 GPS 设备使用），或地区性大地基准点（比如 NAD-83，即 North American Datum 1983）。
The first WGS satellite alone will provide more communications throughput, albeit in a single region, than the entire DSCS constellation, according to the Air Force.
尽管部署在单一区域，但首颗WGS卫星将提供比整个DSCS星座更高的通信吞吐量。
Our objective was to determine the clinical utility of WGS to advance precision medicine in a general patient population.
研究目的是确定全基因组测序临床程序，以及推进一般患者的高精度医学。
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