The paper introduces the principle features for GPS-RTK,explores its methods for operation,and indicates the application of the tech-nique in the financial investment evaluation according to some examples,so it provides some reference.%简述了GPS-RTK的原理特性，主要对其使用方法进行了探讨，并通过实例讲述了该技术在财政投资评审工作当中的实际应用措施及注意要点，对同类工作具有一定的借鉴意义。
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