首先，如果计算单元中的某些节点在一段时间(比如密钥寿命的两倍)内一直停机，它们就会丧失通信能力。
First, if some nodes in your cell are left down for extended periods of time (likely twice the key lifetime), the nodes can lose the ability to communicate.
针对星球机器人分布计算系统容错的可靠组播通信，提出了一种基于向量时间的原子组组播协议。
An atomic multicast protocol based on vector time is proposed for reliable group communication of distributed computing sys - tem of planetary rover.
有的研究考虑了联盟形成的成本，但是联盟形成的通信、时间成本高，计算复杂。
Finally, although some research take cost into consideration, the cost of time and communication is very high and the computation method is fairly complicated.
虽然加密通信可以解密，但这需要时间和计算能力。
While encrypted communications can be decrypted, doing so requires time and computing power.
维特比译码算法是一种最大似然译码，它可以得到较高的译码速度以及译码计算时间固定，因而在深空通信中得到广泛应用。
Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication.
由于城市道路交通问题具有不确定性和不精确性，故采用基于粗糙集的交通信息提取计算理论建立城市道路行程时间预测模型。
Since urban travel times are stochastic and uncertain, a model for addressing urban travel time prediction by using transport information granular computing theory based on rough set was proposed.
本研究的目的就是在异步通信网络环境中，采用连续的时间戳通信模型，并利用时钟精度差概念和小波除噪算法实现系统中各个计算机之间的自适应时钟同步。
The continuous time-stamp communication model and the wavelet technology were applied to evaluate running precision difference of clocks, in order to reduce the effect of network delay efficiently.
如果TCP通信在合理时间内不被认可，那么正在发送的计算机必须重新发送数据。
If the communication is not acknowledged in a reasonable time, then the sending computer must transmit the data.
在满足平均网络延迟时间最小的基础上，通过计算可获得优化的通信网络容量和网络代价。
Based on the least mean network delay, network capacity optimized and network cost can be obtained.
在满足平均网络延迟时间最小的基础上，通过计算可获得优化的通信网络容量和网络代价。
Based on the least mean network delay, network capacity optimized and network cost can be obtained.
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