Once the expansion occurs on a newly created entity reference node, it never reoccurs.
新创建的实体引用节点进行扩展后，该扩展永远不会再次进行。
If there is no entity declaration that matches, an empty text node is attached as the only child of the entity reference node.
如果没有匹配的实体声明，则附加一个空的文本节点作为实体引用节点的唯一子级。
The shield conductor of a shielded cable should be connected to the reference potential at the signal-reference node (Figure 4).
电缆的屏蔽层必须单点连接到参考电位，连接点应尽量靠近信号源的参考电位。
We can see the accuracy of the localization algorithm is closely related to the algorithm iterations and the place of the reference node.
可以得出算法的定位精度与算法中的迭代次数和参考节点位置的选择息息相关。
Finally, the local mapping relation of nodes is matched according to the coordinates of the reference node so as to acquire the global mapping of node's coordinates.
最后，根据参考节点的坐标对节点局部映射关系进行匹配，以获取节点坐标的全局映射。
The aim of this thesis is to present a new strategy of fitting offset to adjust time in order to achieve the effective synchronization between slave nod and reference node.
该文提出采用拟合偏差方法进行时钟调整的策略，以有效克服网络延迟和抖动对时钟同步的影响。
The aim of this thesis is to present a new strategy of fitting offset to adjust time in order to achieve the effective synchronization between slave nod and reference node.
该文提出采用拟合偏差方法进行时钟调整的策略，以有效克服网络延迟和抖动对时钟同步的影响。
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