This paper discusses briefly survey method and basic principle of RTK. The precision and result of RTK and urban First-order traverse survey is compared and analyzed.
对rtk的基本原理作了简述，并对rtk的测量方法作了讨论，与城市一级导线测量结果进行了比较及精度分析。
At Revelytix, we always traverse the nodes in the depth-first order of the zipper enumeration.
在Revelytix中，我们始终按照zippers枚举深度优先的顺序遍历节点。
A zipper's enumeration functions allow you to traverse the entire tree in depth-first order, as shown in Figure 11.
zippers的枚举函数允许您按照深度优先的顺序遍历整个树，如图11所示。
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