This not only forces you to clean up the source nodes that are left behind, but it can also be expensive if the subtree you're moving is large.
这不仅要求清除留在后面的源节点，而且当要移动的子树很大时需要付出很高的代价。
It validates your input and output against an XML schema, and it allows you to refer to source nodes in the stylesheet based on their schema type.
它可以用XML模式验证输入和输出，允许根据schema类型引用样式表中的源节点。
Using the Asymmetric Cryptographic System, we can authenticate and encrypt sensitive routing messages, and only source nodes which issue RREQ can validate messages.
这个方案采用公钥体制对敏感的路由信息进行认证和加密，只有产生路由请求信息RREQ的源节点才能验证这些敏感信息。
Simulation results show that the proposed algorithm can greatly reduce the routing decision errors of the source nodes due to inaccurate topology information, and improve network performance.
仿真结果表明，在生成树拓扑抽象中使用此逼近算法后，可大大减少源节点由于拓扑信息不准确而产生的路由决策错误数，提高网络性能。
Simulation results show that the proposed algorithm can greatly reduce the routing decision errors of the source nodes due to inaccurate topology information, and improve network performance.
仿真结果表明，在生成树拓扑抽象中使用此逼近算法后，可大大减少源节点由于拓扑信息不准确而产生的路由决策错误数，提高网络性能。
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