从最直接的意义上说，一个绿色社区仅仅意味着有更多的地方供孩子们玩耍，而这是至关重要的，因为户外活动时间是与孩子们的活动水平最相关的因素之一。
At its most straightforward, a green neighborhood simply means more places for kids to play—which is vital since time spent outdoors is one of the strongest correlates of children's activity levels.
减少户外活动时间。
减少户外活动时间。
户外活动时间和近视预防之间存在高度相关。
So yes, it is highly likely that there is a direct connection between time spent outside and preventing myopia.
他们必须在45分钟内将衣服弄干，赶上活动时间。
They need to be dry in forty-five minutes, right at tier-time.
当然，这部分地反映出中国学校学生课业重，因而很少有校外活动时间的状况。
In part, of course, this reflects the heavier workload in Chinese schools, which leaves less time for outside activities.
作为架构师，您将会承担项目管理的任务，负责创建重要活动时间安排。
As the architect, you will be wearing your project management hat to create a time line of events.
孩子们很懂事，但我觉得，让他们放弃课外活动时间照顾祖母，对他们来说有失公平。
They've been great about pitching in, but I don't feel it's fair to ask them to give up extracurricular activities in order to keep an eye on my mom.
在自动方面，开发人员也可以调节会议或者其它不需要计算机工作的活动时间。
In addition to all of the automation, a developer can also adjust times for meetings or other activities during which they’re not active at their computer.
接下来，必须达到全部不活动时间（以秒为单位），以及需要处理的命令的时间窗口。
Next, the total time (in seconds) of inactivity must be reached, as well as the time-of-day window for the command to be processed.
缺乏活动的人在开始时应做少量的身体活动，并随时间逐步增加活动时间、频率和强度。
Inactive people should start with small amounts of physical activity and gradually increase duration, frequency and intensity over time.
宠物家猫处于活动的时间只占3%，而需要自己找食物的野猫，它们的活动时间占了14%。
The pets were highly active just three percent of the time, compared with 14 percent for the cats that need to find their own food.
考虑从即时消息日志、电话记录或其他来源中提取登录时间及活动时间，构建附加数据集及重叠数据集。
Consider extracting login and activity times from your instant messaging logs, phone records, or other sources to build additional and overlapping data sets.
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。
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.
为什么我们要做一件这样的“弊”(压力、失望、家庭冲突、占用其他活动时间、减少学习兴趣的风险)远远大于“利”的事情呢？
So why do we do something where the cons (stress, frustration, family conflict, loss of time for other activities, a possible diminution of interest in learning) so clearly outweigh the pros?
平衡好孩子们的和你自己的活动时间：花时间和精力送孩子参加活动，几乎为自己剩不下做别的事情的时间，这看起来似乎很不公平。
Try to balance activities for all of your kids — and yourself: It hardly seems fair to expend time and energy carting one kid to activities, leaving little time for another.
现在是户外活动的时间了。
研究人员观察了一些可能导致幸福感下降的活动所花费的时间。
The researchers looked at time spent in a number of activities that could plausibly be driving the wellbeing decline.
由于吃饭、睡觉和料理家务，许多美国人几乎没有时间参加休闲活动。
With the time spent eating, sleeping and taking care of the household duties, there's little time left for leisure activities for many Americans.
我的寄宿父母在我的业余时间组织了很多活动，这样我就不会想家或感到孤独。
My host parents organized a lot of activities in my spare time so that I wouldn't miss home or feel lonely.
另一些人认为这种活动会占用学生大量的时间，妨碍他们的学习。
Other people think this activity will take up plenty of time of students and get in the way of their study.
不同种族的室友在一起的时间更少，共同参与的活动也比白人组合少。
The interracial roommates spent less time together, and had fewer joint activities than the white pairs.
教师们该如何证明花费大量时间来进行户外活动是合理的呢？
How can teachers justify spending so much time on outdoors activities?
他们发现，一般人在刷牙、梳头等个人活动中最常走神，约有65%的时间在走神。
They found that the average person's mind wandered most frequently about 65% of the time during personal activities, such as brushing their teeth and combing their hair.
当被问及要放弃什么活动一周时间最难，48%的人说是听音乐。
When asked which activity would be the most difficult to give up for a week, 48% said listening to music.
自本世纪初以来，公立学校将越来越多的课间休息时间用于学术活动上。
Since the beginning of this century, an increasing amount of time has been shifted in public schools from recess to academic activities.
随着罗马帝国向北扩张，它构建活动图的大部分时间是在太阳年前后。
As the Roman Empire expanded northward, it organised its activity chart for the most part around the solar year.
专注学业“技能训练”大大减少了课间休息和自由活动的时间。
The focus on academic "skills and drills" has cut deeply into recess and other time for free play.
我发现，没完没了的工作会议和社交活动填满了我的时间，我忙得像蜜蜂一样。
I found myself filling my time up with endless work meetings and social events, rushing along as busy as a bee.
许多学者声称，花时间在电子设备上并不一定意味着减少其他活动的时间。
Many scholars claim that spending time on electronic devices doesn't necessarily mean a decrease of time for other activities.
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