Their astronomers had discovered that at a certain time of year the brightest star, Sirius, would disappear.
他们的天文学家发现，在一年中的某个时候，最亮的天狼星会消失。
The work must be completed within a certain time limit.
这项工作必须在一定期限内完成。
They may focus on a certain country or a certain time period when they begin their collections.
当他们开始收集时，他们可能会关注一个特定的国家或特定的时间段。
A driver takes the minibus to a certain place at a certain time, so people know when to expect it.
司机会在特定的时间开小型巴士去特定的地方，所以人们知道什么时候会有小型巴士来。
At a certain time and a certain place, when a moonbow happens to appear, you can't miss it if you're right there.
在特定的时间和地点，当月虹恰巧出现时，如果你就在那里，千万不要错过它。
At a certain time in the morning, the tape player would play soft music with a low and sweet voice of a young girl, "Wake up, please."
在早上的某个时间，录音机会播放轻柔的音乐，一个年轻女孩低沉而甜美的声音从录音机里传来：“请起床。”
Don't focus on exercising at a certain time.
不要专注在锻炼到某个特定的时间。
Don’t focus on exercising at a certain time .
不要专注在锻炼到某个特定的时间。
Why did a step not execute at a certain time?
某一次，一个步骤为何没执行？
They know that they have to be home at a certain time.
她们晓得她们必须在特定的时间呆在家里。
Is the tendency to perform best at a certain time of day immutable?
哈佛商业评论：一个人每天处在巅峰状态的时间是不变的吗？
I don't return school-related emails after a certain time every evening.
每晚在某个时间段内我不会回复与学校有关的邮件。
If the task is not completed within a certain time, then it is escalated.
如果此任务未在某个时间内完成，则对其进行升级。
Scenario 2: Triggering a flow every "n" seconds at a certain time of day.
场景2：在特定时间每“n”秒触发一次流。
Every point in between the two ends has a certain time and space efficiency.
处于两个端线之间的每一点都代表该点的时空效率。
Start by setting a goal that you want to accomplish within a certain time frame.
开始的时候，确立一个想要在某段时间内完成的目标。
It's not unreasonable to have cell phones and computers off limits after a certain time.
过了某个时间以后不让孩子用手机或电脑，这样的要求并不是不合理。
The rocket is made of several parts, and each part requires a certain time to produce.
这种玩具火箭由几个部分组成，生产每一个部分都需要一定的时间。
This velocity will give me a certain time, and this velocity will give me a certain time.
速度会给我一段时间，速度会给我一段时间。
This can definitely occur with a 3d game, where at a certain time too many polygons get shown.
尤其是3D游戏，当一定的时间里显示过多的多边形时。
Another way to filter the data is to get only the data that changed over a certain time period.
过滤数据的另一个方法是只获取那些在一段时间内更改过的数据。
Roundups are posts that have the goal of highlight your best content within a certain time frame.
文章综述的目的是按一定的时间规律集中展示博客里面的最佳内容。
For example, an event might indicate that an item was shipped on a certain date at a certain time.
例如，一个事件可能表示一个药品在特定的日期和时间运输。
This method has the same method signature and returns all the records deleted over a certain time period.
这个方法有着与 getUpdated 同样的方法签名并会返回在某个时间段内被删除的所有记录 。
Tasks are often modeled to express the expectation that they will be completed within a certain time frame.
任务通常被建模来表达一种预期：它们将在确定时间段内完成。
You can even make tests a bit more granular and test a series of methods to ensure they meet a certain time threshold.
甚至可以测试得更加细致一些，可以测试一系列方法来确保它们满足特定的时间限制。
You can even make tests a bit more granular and test a series of methods to ensure they meet a certain time threshold.
甚至可以测试得更加细致一些，可以测试一系列方法来确保它们满足特定的时间限制。
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