Unfortunately, the few scientific investigations of yawning have failed to find any connection between how often someone yawns and how much sleep they have had or how tired they are.
不幸的是，少数针对打哈欠的科学调查未能发现人们打哈欠的频率与他们睡觉时长和疲劳程度之间有任何联系。
May I know how often you use WeChat to pay?
请问你多久用一次微信付款呢？
Millie, how often do you take the course in DIY?
米莉，你多久上一次 DIY 课程？
Mike, how often do you have a health examination?
迈克，你多久做一次健康检查？
Think about how often it's used in our daily lives.
想一想它在我们日常生活中的使用频率。
I wonder how often the students have a physical examination.
我想知道学生们多久进行一次体检。
They were given regular surveys that included the question, "how often do you eat breakfast?"
他们定期接受调查，其中包括“你多久吃一次早餐？”
For example, we can change how often we receive the distracting notifications that trigger our urge to check.
例如，对于那些会令人分心、激发我们想查看的冲动的通知，我们可以改变接收的频率。
This questionnaire asks people to rate themselves according to how often they get distracted in different situations.
这份问卷要求人们根据他们在不同情况下分心的频率来给自己打分。
While writing the notes, I realized how often I had spent my time on the phone moving from app to app, appreciating other people's lives.
在写这些笔记时，我意识到我有多少次花时间在手机上，从一个软件到另一个软件，欣赏着别人的生活。
The final potential cause is an increase in snacking and eating out over recent decades both in terms of how often they happen and how much they contribute to our overall energy intake.
最终的潜在原因是近几十年来吃零食和外出就餐的次数增加，这不仅体现在其发生的频率上，还体现在其对我们整体能量摄入的影响。
I'm always amazed at how often this anti-pattern shows up.
我总是对这个反模式出现的高频率感到诧异。
So, how often does the December full moon coincide with the solstice?
那么，12月的满月与至日重合有多频繁呢？
We've all heard that, but how often do you really apply it to your designs?
我们都听到过这样说，但您是否经常将其真正地应用到设计中？
The refresh interval is how often the graph scrolls and shows a new bar.
刷新周期是指图中滚动并显示新的竖条的频率。
Peter asked how often he should forgive someone who sinned against him.
彼得问道，他应该饶恕那得罪了他的人多少次。
When we asked the doctor about it, he asked how often we fed him carrots.
当我们跟医生咨询这件事时，医生问我们多久给孩子吃一次胡萝卜。
When and how often are enterprise model changes propagated to all projects?
什么时候将企业模型变更传播到所有的项目，多久进行一次？
Considering how often you have to change directories, that's good news for you.
考虑到您必须频繁更改目录，这对于您来说一定是个好消息。
Refresh schedule and timeout affect how often your staff queries are refreshed.
刷新计划和超时会影响刷新员工查询的频率。
In other words, what the frequency distribution shows is how often a value occurs.
换句话说，频率分布显示的是一个值出现的频率。
This defines how the service is called, how often, and other tunable parameters, etc.
这定义了调用服务的方式、频率以及其他可调试参数等等。
There should also be thought given as to whom, and how often, should review the metrics.
还要考虑谁应该负责检查这些指标和检查的频率。
It's interesting to note how often you hear about data binding in programming circles these days.
近来在编程圈子中经常听到数据绑定是一件有意思的事。
You want to understand how often these large flares happen: once a month, a year a millennium?
你想要了解这些大耀斑发生的频率吗？是一个月一次，一年一次还是一千年一次？
This daemon reads a configuration file that tells it which command lines to run and how often.
这个守护进程读取一个配置文件，这个文件会告诉它要运行哪些命令行以及运行的频率。
This sounds pretty banal but you'd be surprised how often people fail to heed this standard advice.
这听起来很老套，但你会吃惊地发现人们是多么容易忽视这条放之四海而兼准的好建议。
Their partners were then asked how much tension there was at home and how often the couple argued.
而他们的伴侣则被询问家庭生活中有多少矛盾，夫妻间多久争吵一次。
In other words, multitask the right way: Limit what an app can do in the background, and how often.
换言之，多任务的正确方案：限制一个后台运行的应用程序的行为以及频率。
In other words, multitask the right way: Limit what an app can do in the background, and how often.
换言之，多任务的正确方案：限制一个后台运行的应用程序的行为以及频率。
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