Finally-in this short introduction to XPath, although not in a complete discussion of xpath-you can select nodes based on child elements of the nodes, or on attributes of the node.
最后—对于这里关于XPath的简要介绍而不是详细讨论来说—还可以根据节点的子元素或者节点的属性来选择节点。
In this scheme, the database nodes can be distributed in WAN or LAN and switched transparently to user applications and the system's disaster recovery time is short and the cost is low.
该方案中各节点数据库可以分布于wan或LAN中,对客户应用实现透明切换和数据的自动同步,系统恢复时延很短,开销较小。
Wireless sensor networks consist of a large number of low-power, short-lived, unreliable sensor nodes, one of main goals is to prolong network lifetime.
无线传感器网络是由大量低能量、短寿命、不可靠的传感器结点组成的,延长网络寿命是一个主要的目标。
After the beginning of the knot melon can not be short of water, and with the increase in the number of nodes, the corresponding increase in the amount of water.
开始结瓜后就不能缺水了,而且随着结瓜的增多,浇水量也相应增大。
Therefore, this paper, using Bluetooth technology, designs communication circuit module both of PC and Bluetooth sensor nodes, and writes applied programs. It has achieved short distance wireless.
本文采用蓝牙技术,设计了上位机与蓝牙传感结点的通信电路模块并编写出应用程序,以实现蓝牙传感网络的短距离无线通信。
Therefore, this paper, using Bluetooth technology, designs communication circuit module both of PC and Bluetooth sensor nodes, and writes applied programs. It has achieved short distance wireless.
本文采用蓝牙技术,设计了上位机与蓝牙传感结点的通信电路模块并编写出应用程序,以实现蓝牙传感网络的短距离无线通信。
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