However, slightly different paths of carrier L1 and L2 will bring errors to estimations of the dual-frequency method.
不过，两载波信号l 1和l2之间的传播路径差异会给双频方法带来误差。
However, slightly different paths of carrier L1 and L2 will bring errors to estimations of the dual-frequency method.
不过，两载波信号l 1和l2之间的传播路径差异会给双频方法带来误差。
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