在听一个空闲信道，以减少能源消耗，节点周期性地睡着了。
To reduce energy consumption in listening to an idle channel, nodes periodically sleep.
分析了符合传感器网络MAC算法中节点周期性侦听要求的节点寿命估算问题。
The lifetime estimation issue is analyzed with consideration to the periodical listen required by common WSN media access control (MAC) algorithms.
本文设计的节点采用定时器中断来使节点周期性的进入睡眠状态，从而大大的减少了能耗。
The designing sensor node can use timer interrupt to make nodes sleep periodically, which greatly reduces energy consumption.
检索作业和返回结果至少要耗费两个轮询周期，并且根据节点处理作业实际花费的时间，可能会耗费更多周期。
It takes at least two polling cycles to retrieve a job and then return results, and it could take additional cycles depending on how long the job actually takes to process on the node.
然后，Drupal存储节点的标题，在请求生命周期的后期可以将这一信息包含在web页面的标题中。
Drupal then stores the node title, which it can use for inclusion in the Web page title later in the request life cycle.
笔者在全寿命周期理论的视角下主要研究决策设计阶段和招投标阶段两个关键节点的工程造价控制。
Under the whole life cycle theory, I think I study the design phase and bidding phase of the two key nodes in the project cost control.
没有能流通过节点（或腹点），但在其他各点，能流密度随时间作周期性变化。
There is no current flowing through any node(or antinode. ), but the current density changes periodically with time at other places.
阿循环是通过使用XML文件周期获得所有节点的内容。
A loop is used to cycle through the XML file to get the content of all the nodes.
基于能量均衡的动态功率路由协议比较好的解决了基于泛洪的路由协议的不足，节点间能量消耗较为均衡，因此延长了网络生命周期，并保持了很好的可靠性。
Energy-balanced dynamic power route protocol solves the problems caused by flooding based protocol. It balances node energy consumption and prolongs network life cycle, while remains high reliability.
采用桩土分析法，计算分析在一个荷载周期内，弹性路基内各研究节点的位移、竖向应力、桩土应力比的瞬态响应。
Then, transient response of vertical displacement, vertical stress and pile-soil stress ratio of some nodes in the elastic subgrade are computed in one single load cycle.
通过获得的一个心动周期的心脏运动序列图像，得到采样节点的位移和速度。
The displacement and speed of the sampling node is obtained by obtaining one cardiac cycle heart movement sequence image.
实验结果表明，该策略能减少节点能量消耗，延长网络生命周期。
Experimental results show that this strategy can reduce node energy consumption and extend the network life cycle.
动力特性测试结果表明：随着节点转动刚度的减小，框架自振周期延长。
Dynamic characteristics tests show that the natural vibration period of steel frame can be prolonged with the reducing of connection rotation stiffness.
因此如何能节约水声传感器网络节点的能量，延长网络生命周期，成为水声传感器网络研究中的一个热点。
It not only reduces the energy consumption of a single node, but also balances the energy consumption of the entire network more, thereby extends the life cycle of the entire sensor networks.
ZSS系统的通信模块利用可变长的短消息传递技术，可以实现安全节点间的实时性和周期性信息交换。
And to improve the cooperation between secure nodes, the communication module of ZSS adopted a message-passing mechanism for different nodes exchanging real-time and periodical information.
在总结前人成果的基础上，作者认为由各节点企业作业流程环环相扣组成的造船供应链，适合采用马尔科夫链进行响应周期的计算。
Then, based on the results of former researchers, the author considers Markov chain applicable in the computation of SCC response cycle and its distribution along the supply chain.
研究表明，将传感器节点组织成簇的形式可以有效地减少网络的能量消耗，延长网络的生命周期。
According to the research, by organizing the senor nodes in the form of cluster, we can effectively reduce the energy consumption of network and prolong the life cycles.
仿真实验表明，相比于固定汇聚节点和随机移动汇聚节点，该机制在不同网络规模下都可以更有效地延长网络生存周期，并且节点初始能量越高性能越好。
The simulation results show that the mechanism extends the network lifetime effectively compared with fixed sink and random movement sink in different network scale.
网络生命周期是无线传感器网络应用的一个关键因素，提高单个节点性能是延长网络生命周期的一个重要方面。
The lifecycle of WSNs is one key factor which limits WSNs' application, while improving sensor node's performance is one important aspect for extending lifecycle.
该路由利用链路能耗模型和节点发送数据概率，计算一个数据收集周期内节点总能耗。
This paper used the link energy consumption model and node transmission data probability to calculate the node total energy consumption in a data gathering cycle.
构造无线传感网络中具有连通覆盖特性的节点子集是实现网络休眠调度、延长网络生命周期的关键技术之一，具有重要的研究意义。
Constructing a connected covering node subset is one of key technologies for enlarging lifetime and sleeping scheduling in wireless sensor networks, which is a significantly important research area.
如果不能找到采集节点，它将会周期性的搜索目标。
If it cannot find a collector node, it will continue searching periodically.
该算法采用分簇方案来建立对偶密钥，均衡利用了网络中所有节点的能量，延长了网络生命周期。
The algorithm adopted the clustered-based scheme to establish pairwise keys, utilized the energy of each node in equilibrium and prolonged the life of sensor networks.
与原有协议的比较结果表明，该协议可以降低节点能耗，延长网络生命周期。
It is validated that this protocol needs less energy consumption of node and achieves long network life compared with the existing protocol.
试验和理论分析表明：梁柱节点分别为焊接连接、端板连接、角钢焊接时，其结构的周期依次增大；
The test and analysis show that the period of frames in- crease in turn for the weld connection's, the end-plate connection's and the angle connection's steel frame respectively.
实验结果表明，通过对硬件的合理设计，可以降低传感器节点功耗，提高传感器节点生命周期。
The experimental results show that the power consumption of the sensor nodes can be reduced and its life span can be extended through a rational design on the hardware.
由于无线传感器网络节点能量十分有限，如何高效使用能量来最大化网络生命周期是传感器网络面临的首要挑战。
As the energy of the wireless sensor network node is very limited, how to efficiently use the energy to maximize the lifetime of the network is the primary challenge of WSN.
该协议根据各节点内实时队列长度动态的控制轮询过程，每个轮询周期对具有最长队列的节点进行服务。
This protocol adaptively controls the polling process according to the real-time queue length of each stations and serves the one with the longest queue firstly in each polling cycle.
该协议根据各节点内实时队列长度动态的控制轮询过程，每个轮询周期对具有最长队列的节点进行服务。
This protocol adaptively controls the polling process according to the real-time queue length of each stations and serves the one with the longest queue firstly in each polling cycle.
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