The DAGR includes a Graphical User Interface (GUI) and incorporates a next-generation security device called the Selective Availability Anti-Spoofing Module.
该DAGR包括一个图形用户界面（GUI），并采用了新一代安全装置称为可选择有效反干扰模块。
In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
在没有选择可用性条件下，差分gps定位精度完全取决于电离层的空间不相关性。
In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
在没有选择可用性条件下，差分gps定位精度完全取决于电离层的空间不相关性。
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