They must finish the job by the time when the plane arrives.
飞机到达前他们必须完成该工作。
By the time when you arrived in London, we had stayed there for two weeks.
当你到达伦敦的时候，我们在那里已经待了两个星期。
It will never be known how and when this numeration ability developed, but it is certain that numeration was well developed by the time humans had formed even semi-permanent settlements.
我们永远也不会知道这种计算能力是何时、如何发展起来的，但可以肯定的是，在人类形成半永久定居点的时候，这种计数法已经发展得很好了。
By the time I'm a million, I no longer remember what I was doing when I was a lad of 500,000.
等我活到一百万年，我不记得50万年前我还是个小孩时做过什么。
The girl was then hit a second time by another van when an elderly trash collector came to her aid, according to some witnesses.
据一些目击者说，当一位上了年纪的垃圾清运员前来帮助她时，这名女孩再次被另一辆面包车撞倒。
When Summers travels by limousine or airplane, Sandberg will give up his position next to him, leaving other officials and staff time to contact the boss.
当萨默斯乘坐豪华轿车或飞机时，桑德伯格会放弃紧挨着他的位置，留给别的官员和职员与这位老板接触的时间。
When facing a new situation, some people tend to rehearse their defeat by spending too much time anticipating the worst.
面临新环境时，有些人因为花太多的时间做最坏的打算，所以他们易于重复他们的失败。
When you meet someone for the first time, by the time you have stated your name or shaken hands, the other person has already formed an opinion about the kind of person you are.
当你第一次与某人见面时，当你说出你的名字或和对方握手时，对方已经对你是什么样的人形成了看法。
By the 1760s, they were losing millions of pounds each year to Dutch traders, a huge amount of money in a time when ￡60 a year was considered a good income.
到了18世纪60年代，他们每年要输给荷兰商人几百万英镑，在年收入60英镑被视为高收入的时候，这实在是一笔巨款。
It's not known when Mars was found and by whom Mars has been known for a very long time, and one of the planets that can be seen from the Earth without a telescope.
在很长一段时间里，没人知道火星是什么时候被发现的，谁发现的，也不知道有一种行星可以不用望远镜就能从地球上看到。
"When you write your shopping list or notes by hand, you simply remember things better after some time," said Audrey van der Meer, author of the study.
该研究的作者奥黛丽·范德梅尔说：“当你手写购物清单或便条时，一段时间后你的记忆力会更好。”
By the time we got to middle school, it was clear that my older brother preferred meditation, while I was a born performer who preferred the theatrical, even when off stage.
到我们上中学的时候，很明显，我哥哥更喜欢冥想，而我是一个天生的表演者，更喜欢戏剧，即使在舞台下也是这样。
Therefore, computers are used when the time saved by using a computer offsets its cost.
因此，当使用计算机节省的时间和计算机的成本相当时，我们就使用计算机。
All of this was still in the beginning of the year, the beginning of my time at Ault, when I was exhausted all the time by both my vigilance and my wish to be inconspicuous.
所有这一切还只是学年的开始，我的奥尔特岁月的开始，为了防备别人和不被人注意，我耗尽了所有的时间。
We have to decide on how long a life of the reactor core we want and by lifetime we mean the time from when we start the reactor to the time that we need to re-fuel.
我们需要决定反应堆核心的一期有多长，寿命，我们指的是，我们开始反应堆的时间到，我们需要换料的时间之间。
The time taken by the federated system is comparable to the time taken when the query is executed directly against the data source for single-source queries.
联邦服务器所花费的时间是否与直接在数据源(涉及单个数据源的查询中的数据源)上执行查询时所花的时间相当。
Jeff will add the new customer to the registry at a later point in time by manual actions, when the service is back working.
Jeff将在以后的时间点在服务恢复工作时通过手动操作向注册中心添加新客户。
Time to completion (by when should the intermediate goal be achieved?)
完成的时间(中间目标什么时候达到？)
If the system is not fully utilized and the QMPL time is high (when compared to the execution time), then there is potential to achieve more throughput by increasing the number of threads.
如果系统未得到充分利用，并且QMPL时间非常高(与执行时间比较而言)，则存在通过增加线程数量实现更大吞吐量的潜力。
This will save time when configuring the JDBC driver and DataSource needed by the application server.
这将在配置应用程序服务器所需的JDBC驱动程序和数据源时节省时间。
By building your network, you are preparing for a time in the future when you might need help from it.
通过构筑社会关系网络，你是在为将来某一时刻需要它的帮助而做出准备。
"Railway employees would always ride for free," he said of the time when the railroad was run by Africans.
“铁路员工总是可以免费乘车，”他说，那是铁路在非洲人手里的时候。
Each test requires time and effort when executed manually; by comparison, automated test take a very small fraction of the time and effort to execute.
当手动执行时，每个测试需要时间和努力，比较起来，执行自动的测试需要非常少的时间和努力。
Photo uploads are automatically compressed by the built-in upload too, to save time when traveling.
照片上载使用内置的工具自动压缩，节省了旅行中的宝贵时间。
By 1994, when I interviewed him for the first time, he said: "the reality may have faded."
直到1994年，当本文记者第一次采访到他时，他说：“现实情况非常渺茫。”
It's birthday time of the year, a time when you usually feel at your best, ready to take the world by storm.
这是一年的生日时期，是一个你自我感觉最棒的时期，准备好给这个世界一个惊讶把。
Or it did until the very next race, when Spofforth broke the world record by 0.36 of a second with a time of 58.12sec.
或许最近一次的比赛时已经过时了，那时斯博弗斯以58秒 12的成绩超出世界纪录0.36秒。
It also defines methods for component changed and changing events, which are called by the design-time environment when a component is changing or has changed (such as when a property is changed).
它还为组件的已更改事件和正在更改的事件定义了方法，当组件正在更改或已经更改时(例如，当属性更改时)，这些方法由设计时环境调用。
The first world AIDS Day was staged by WHO in 1988, at a time when the world was waking up to this disease and its multiple catastrophic impact.
1988年，世卫组织举办了首届世界艾滋病日。当时，世界正在对艾滋病及其带来的多重灾难性影响产生警觉。
The first world AIDS Day was staged by WHO in 1988, at a time when the world was waking up to this disease and its multiple catastrophic impact.
1988年，世卫组织举办了首届世界艾滋病日。当时，世界正在对艾滋病及其带来的多重灾难性影响产生警觉。
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