Click Advanced if you want to see more obscure options; the default Basic view shows only the most common options.

如果想查看更多复杂选项，可以单击advanced；默认的Basic视图只显示最常见的选项。

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Basic transformations are used in many implementations in order to convert heterogeneous source formats into the common view at the federation layer.

可以在很多实现中使用基本转换来将异类源格式转换为联合层的公共视图。

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The basic model of GPS Common View (GPSCV) is discussed. The satellite ephemeris errors and the station location errors are analyzed in details and then some cautious problems in GPSCV are given.

在此基础上，分析了各种误差源对时间比对的影响，给出了不同比对精度下需要考虑的改正项。

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