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。”
The work must be completed within a certain time limit.
这项工作必须在一定期限内完成。
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？
You eat lunch at a certain time.
你在某个时间吃午饭。
You return home at a certain time.
在某个时间回家。
After a certain time interval it comes to rest again.
在某时间间隔后它又重新恢复静止。
It's cheaper to telephone at a certain time of the day.
一天中某些时间打电话比较便宜。
Animals can be conditioned to expect food at certain time.
可以训练动物定时等待食物。
For certain time periods during the week demand is exceeding supply.
本周的某些时段内，需求量超过了供给。
Do they only belong and serve for certain people in certain time?
它们是否只存在于某些特定时间，服务于特定人群？
The sand shines intensely at a certain time, and the water glitters.
有的时候，沙会烁烁发光，水也闪闪发亮。
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。
She always passed and repassed at a certain time, until she saw him;
她经常是在某一个时候反复走过那里，直到她看到他为止；
The classroom teaching is conducted in certain time and limited space.
课堂教学是在一定的时间和有限的空间中开展的。
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。
Performance: The catalog service needs to perform within certain time limits.
性能：Catalog服务需要在一定时间限制内完成操作。
In school, the national flag is usually raised at a certain time eery day.
在学校里，通常每天定时要升旗。
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。
In school, the national flag is usually raised at a certain time every day.
在学校里，通常每一天定时要升旗。
In school, the national flag is usually raised at a certain time every day.
在学校里，通常每天定时要升旗。
The two parties trade a stock index at a certain time and price in the future.
合约规定交易双方在未来的某一时刻，按照事先约定的价格买卖一定数量的股票指数。
Setting strong limits about not working after a certain time for your health's sake.
为了健康着想，还是应该给自己定一些严格的时间限制，到时间就别工作了。
Do you want to smoke at a certain time of day or when you're with a particular person?
是每天的某个特定时候就想抽，还是跟某个人在一起的时候容易犯瘾？
Random events: events will only occur after a certain time when certain conditions are met.
随机事件：事件只发生在特定条件下的特定时间。
Another example is that you might have one scenario that is only run at a certain time of the day.
再如，可能有一个方案只在当天的某个特定时间运行。
Another example is that you might have one scenario that is only run at a certain time of the day.
再如，可能有一个方案只在当天的某个特定时间运行。
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