For example, you could use the maximum life and expiration time for each cached item to refresh cached data for specific users that need updated data.
例如，您可以使用每个缓存项的最长生命周期和过期时间来为需要更新数据的特定用户刷新缓存数据。
The life span of the data saved to a session is, at most, from the moment the user accesses a domain to the moment when a user times out after a preset amount of time of inactivity.
保存在会话中的数据的生命期，最长是从用户访问域的那一刻到用户在预设的一段不活动时间之后超时的那一刻。
Two views of the virtual extension of a Portal into Second Life; the first shows sensor data over time, the second streaming real-time audio/video into Second Life.
两张第二人生接口的虚拟扩展图片；第一张显示的是随时间变化的传感器数据；第二张正在向第二人生发送即时数据。
So that means the phone has to regularly go active, get the data it needs, then go idle again, and over time all those little transitions add up to a lot of battery life and network traffic.
这就意味着手机需要定期切换到“活跃”状态，接收需要的数据，然后进入“空闲”状态，随着时间的推移，这些细微的操作总共将消耗大量的电池和网络流量。
The aim of this project, which is just unfolding, is to use cell phones for self-administered surveys in order to collect real-time data on life events.
本项目刚刚启动，其宗旨是利用手机开展个人调查，收集生活方面的实时数据。
The writing and data presentation are so bad that I had to leave work and go home early and then spend time to wonder what life is about.
写作水平和数据展示让我整个人都不好了，我不得不提前下班，早点回家，甚至开始怀疑人生。
In our daily life, there are various kinds of time series data, and time series prediction becomes one of the important aspects of data Mining and Knowledge Discovery (DMKD).
在日常生活中广泛存在着各种时间序列数据，发现时间序列知识、对时间序列进行预测正成为数据挖掘与知识发现的重要内容。
The situation of zero-failure data may occur in the reliability life test of an electronic product when it has a high quality or the test time and fund are limited.
在电子产品的可靠性寿命试验中，如果产品本身的质量很好，或者受试验时间和费用等条件的限制，则有可能出现“无失效数据”的情况。
The data of the time resolved fluorescent spectra and fluorescent life time of an organic optical disk named the azo dye doped thin film are given.
实际测量了一种有机光盘存储记录材料偶氮染料掺杂薄膜的时间分辨荧光光谱和荧光寿命。
Proceeding from software engineering, the data for realizing reclosing software in power system is abstracted into time sequence status, something with life activity governing laws.
从软件工程的角度出发，将电力系统中实现重合闸的数据抽象成具有生命活动规律的实体——时序状态。
As long as the data of failure time, failure time interval and maintaining cost are collected in operation of equipment, the optimal service life of equipment can be determined.
只要在设备的使用过程中注意收集设备的故障时间、故障间隔时间和维修费用，就可以确定出设备的最佳使用寿命。
Integrating real-time data and information management systems, grid intelligence solutions help utilities optimize their operations and extend the life of their equipment.
整合了实时数据和信息管理系统，电网智能解决方案帮助电厂优化其运作，并延长其设备的使用寿命。
The circle time under different stress level is accumulated and can be reappeared, so that the basis data is provided to predict surface fatigue crack forming life.
对于不同应力水平作用下的循环时间可计时累加并再现，可为疲劳裂纹形成寿命的预测提供依据。
The presented method can be easily used in engineering for MTTF evaluation of large complex system, where limited testing data of unit life time is required.
解决了有限样本条件下，大型复杂系统平均寿命评定问题，对工程中大型复杂系统平均寿命评定具有重要应用价值。
According to the test data and field data of transmitter and receiver, the method of "maximum mean residual life" is used to determine an optimum burn-in time.
根据发送器和接收器的老化试验数据和现场数据，使用“最大平均剩余寿命”的方法分析确定了一个较优的老化时间。
The time-transformation of the cumulative exposure model used to analyze step-stress accelerated life testing simplifies the mathematical mode without sacrificing flexibility for fitting data.
对用于分析步进应力加速寿命试验的累积损伤模型进行时间变换，保留模型对数据拟合的灵活性的同时简化了数学计算。
This paper discusses various methods of test of nonlinearity of time series. Real-life sea clutter data are tested with the IAAFT method combined with redundancy.
讨论了时间序列的几种非线性检测方法，将代理数据产生方法中的IAAFT方法与冗余方法结合起来，对实测海杂波数据进行非线性检测。
Summary of Background Data: Low back pain (LBP) is one of the leading causes of high health care costs in industrialized countries (Life time prevalence, 70%).
背景资料：在工业国家，腰痛（LBP）是导致高医疗费用原因之一（终生患病率70%）。
A set of method and formula for the computation of calendar first D check, calendar time since overhaul and total calendar life is presented by using tests data.
建立了一套由试验数据估算日历首翻期、日历翻修间隔、日历总寿命的方法和公式 ；提出了由使用中真实的腐蚀损伤数据来估算日历首翻期的方法 ；
First of all, the paper will introduce the existing life-time model of data mining, the concepts of outlier and the algorithms for mining outliers.
本文首先简单回顾已有的数据挖掘生命周期模型以及异常点基本概念和挖掘算法。
Since a network consists of sensors with limited battery energy, the method for data gathering and routing must be energy efficient in order to prolong the life time of the network.
由于传感器节点的电池能量有限，因此节点的通信应有效的利用能量，以延长网络的生命周期。
As an important means of space data acquisition, long shelf life, real-time video transmission, detection of high-risk areas, low cost, high resolution and flexibility, so many advantages.
作为一项空间数据获取的重要手段，具有续航时间长、影像实时传输、高危地区探测、成本低、高分辨率、机动灵活等优点。
As an important means of space data acquisition, long shelf life, real-time video transmission, detection of high-risk areas, low cost, high resolution and flexibility, so many advantages.
作为一项空间数据获取的重要手段，具有续航时间长、影像实时传输、高危地区探测、成本低、高分辨率、机动灵活等优点。
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