These changes have occurred over a long time span.
这些变化经过了很长一段时间才形成。
The project must be completed within a specific time span.
这项工程必须在规定期限内完成。
“It’s a very clear-cut case of re-evolution because of the large time span, ” said John Wiens, the Stony Brook biologist who authored the paper in the journal Evolution.
约翰.威恩斯说“因长时间跨度而促使物种重新进化，这是一个非常明确的事例。”他是斯托尼布鲁克分校生物学家，同时也签约日报进化栏作者。
All the service requests are probably synchronous and complete in a reasonable span of time (for example, seconds or less).
所有的服务请求可能同步并在合理的时间范围内(比如，数秒或更少)完成。
This is sort of a leakage from a potential future time span to space expansion towards a lower energy state, as the storage of events in time needs additional energy, just like battery charging.
这种潜在未来时间的泄漏跨越到空间膨胀到低能量状态，正如事件在时间方面的累积需要额外的能量一样，比如电池充电。
They usually have a chronological span of time.
它们通常横跨一段时间。
Groups multiple client actions over a span of time into an atomic (indivisible) unit.
将一段时间内的多个客户端操作分组到一个原子(不可分割)单元。
Intermediate term prediction would fall into a time span of a few weeks to a few years, and again it would not be of great practical usefulness.
中期预测的时间跨度可从数周到数年，但这也没有很大的实际作用。
You use an Interval when it is important to express a span of time that begins and ends with definite points in the time continuum.
可以在以下情况使用Interval：需要表示在时间连续区间中以特定的点开始和结束的一段时间跨度。
Suppose a failure occurs between numbered steps 4 and 16 from Figure 3. Database-1 records remain locked somewhere in that span, perhaps for an indeterminate length of time.
假设在图3的步骤4和16之间发生故障。在那个范围内的某处，Database - 1记录可能被锁定不确定的时间。
Figure 2 shows a time span where I launched three different Linpack jobs.
图2显示了启动三项不同的Linpack作业的时间间隔。
At the worst, these will amount to twenty hours-the time it takes a radio signal to span the orbit of Pluto, the outer-most planet.
最糟糕的情况也就是20小时，即无线电信号越过最远的冥王星的轨迹的时间。
For diagnosing problems that span multiple systems, this feature can save a lot of time and effort.
对于诊断跨多个系统的问题的情况，此功能可以节约大量时间和精力。
I basically know the answer: temperature is a noisy time series, so if you pick and choose your dates over a short time span you can usually make whatever case you want.
我基本上知道答案，气温是一条嘈杂的时间序列，所以如果你在一下相对较短的时间跨度里挑选数据，你可以得到任何你想要的结果。
Typically the data collected without a reset is not very useful because the counters span a longer period of time, including drastically different workloads along peaks and valleys in load.
通常情况下没有进行复位而收集的数据不是很有用，因为计数器的时间跨度较长，包括随着负荷起伏跌宕截然不同的工作负载。
The lack of middle-class income growth during that span is "the defining issue of our time," Mr. Summers has said, in a tacit admission that liberals were ahead of him on this issue.
萨默斯表示，在这段时期，中产阶级收入增长的缺失是“我们这个时代最重要的议题，”这事实上是承认，自由派在这个议题上要更胜他一筹。
Over a short span of time, we've learned some valuable lessons for building a successful agile development team.
通过很短的一段时间，我们已经学到了一些对于创建成功的敏捷开发团队很重要的知识。
While there is no lifespan for the key binding information used by XKMS, the credentials issued by the underlying PKI occasionally do have a time span that must be renewed periodically.
虽然XKMS使用的密钥绑定信息没有寿命，但是底层pki颁发的凭证偶尔也会有这么一段时间，过了这段时间之后就要周期性地更新。
Some composite service are inevitably created to manage processes that stretch over a much longer time span of perhaps days or even weeks.
必须创建一些复合服务来管理可在更长一段时间（可能数天，甚至数个星期）延展的过程。
If such a long-running process involves human tasks, then a user can work on the process for any time span and come back in hours, days, even months to restore the execution of the process.
如果此类长期运行的进程涉及了人类的任务，则用户可以在该进程中工作任意长的时间，并且可以在几小时、几天甚至几个月之后回来恢复进程的执行。
If they don't grasp your concept in a short time span, they may presume that customers won't understand it either.
如果投资者在一小段时间无法理解你的公司经营理念，他们可能会假设顾客也不会理解。
Hessler saw household incomes spike from $250 to more than $800 in a time span of five years.
海瑟亲历了当地农民的家庭收入在五年间从原先的250美元一跃到800美元。
In a very short span of time, there were major observable differences in results.
在很短的时间内，取得的成果显而易见，而且大大好于从前。
But most are run full time to maximize revenues and profits over a normally short time span.
但是大多数人还是进行全职使得收入和利益最大化而超过普通的短时工作。
The goal is to generate as many ideas as possible in a relatively short span of time.
目标是在一个相对较短的时间内产生尽可能多的想法。
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。
And he would like to see the algorithm used on tweets from a wider span of time.
他更想看看更长时间内，把该算法运用在推特上会有何结果。
In this case, the test team took a number of builds to test all of the changes introduced in build 1, but over a short span of time had run all the identified testing.
在这种情况下，测试团队利用许多构建来测试构建1中引入的所有变更，而在很短的一段时间内，运行了所有确定的测试。
Her mother perceived, for the first time, that the second vehicle was not a humble conveyance like the first, but a spick-and-span gig or dogcart, highly varnished and equipped.
她的母亲最先看出来，第二辆车和第一辆车不一样，它不是一辆简陋寒酸的马车，而是一辆漂亮整洁的单马双轮马车，又叫狗车，漆光发亮，设备齐全。
Her mother perceived, for the first time, that the second vehicle was not a humble conveyance like the first, but a spick-and-span gig or dogcart, highly varnished and equipped.
她的母亲最先看出来，第二辆车和第一辆车不一样，它不是一辆简陋寒酸的马车，而是一辆漂亮整洁的单马双轮马车，又叫狗车，漆光发亮，设备齐全。
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