For different individual horseshoe crabs, the circadian period ranged from 22.2 to 25.5 hours.
对于不同的鲎来说，其生理节奏的周期范围在22.2小时到25.5小时之间。
It usually happens in the first few hours of sleep in the period called deep sleep.
它通常发生在睡眠的最初几个小时，这个阶段被称为深度睡眠阶段。
As most rescues occur during the first 36 hours, food and water are less important during that period.
大多数营救是发生在前36个小时，水和食物在这个期间相对就不是那么重要了。
After the ramp-up period, each workload was maintained at "steady state" for at least two hours.
经过了过渡时期，每一个工作负载都会保持在“稳定状态”至少两个小时以上。
Over the same period, the average working mother reduced her weekly housework load by two hours.
而在这一时期内，普通职业妈妈每周料理家务的时间则减少了两小时。
Creating a public URL is a handy feature exposed by S3; in fact, with S3, you can create a public URL that is only valid for a period of time (for instance, 24 hours).
创建一个公共url是S3提供的一个便捷功能；实际上，使用S3，您可以创建一个公共url，但只在一段时间内有效(例如，24小时内)。
Calls to ambulance services in the first four hours of 2008 rose dramatically: in London, for example, by 16% on the same period in 2007, and by 30% on 2006.
2008年的头四个小时，打电话叫救护车的人极剧增加：与2007年同期相比增加了16％，而与2006年同期相比则增加了30％。
For most women, their mood reaches its worst 12-24 hours before their period starts. "it is not entirely an issue of free will," Brizendine stressed.
对大多数女性而言，他们的心情在经期开始的12 -24小时里达到低谷“这并不是完全一厢情愿”布里曾丹说道。
Are you prepared to work long hours, every day, for an indefinite period of time?
你是否做好准备全天候，长时间工作的心理准备了吗？
The sites also put new items on sale at the same time every day for a limited period, usually no more than 24 hours.
此网站同时在每天同一时段廉价销售新品，销售时间通常不超过24小时。
Men sleeping 8, 9 and 10 hours a night had 12 percent, 17 percent and 34 percent greater risk of dying within the study period.
在此研究期间，每晚睡8、9和10个小时的男性与睡7小时男性相比，死亡率则上升了12%、17%和34%。
A period of serious illness, including appetite loss, fatigue, fever, gastrointestinal problems, and possible seizures or coma, may follow and last from hours to months.
在之后的几小时至几月中，可能出现更严重的症状，比如食欲不振、疲劳、发热与胃肠道疾病，甚至癫痫发作或昏迷。
In America, a regulator would presumablyneed to determine the period of commercial value: perhaps two hours for news ofan earthquake, 30 minutes for sports results.
在美国，监管人可能需要确定商业价值的时长是多少：也许地震相关新闻有两个小时，体育比赛的结果有30分钟。
The planet orbiting Kepler 10, by contrast, has an orbital period of a mere 20 hours and is so dense that it is probably made of iron.
相比之下在开普勒-10轨道中发现的那颗行星其轨道周长只有20小时，而且密度很高以至于研究员估计行星内部是由铁组成的。
In contrast, people who are paid salariesreceive payments that are consistent from period to period despite the number of hours worked.
相反，按薪水的支付则不受小时的影响，是一段周期一段周期的。
This is especially true in the case of breakfast, because you've just been asleep for 7 or 8 hours and your body needs to recover from this brief period of starvation.
对早餐来说这尤其如此，因为您刚刚睡了为7个或8个小时，你的身体需要从这个短时期的饥饿中恢复过来。
Researchers kept rats from eating for 12 hours, then gave them unlimited access to food and sugar water for a brief period, and then took the food and sugar away again.
研究人员给小鼠禁食12小时后，在短时间内提供不限量的食物和糖水，然后撤走。
The 48 hours immediately following birth is the most crucial period for newborn survival.
出生后的48小时对于新生儿的存活最为关键。
Such sites would have continuous sun for approximately 243 days a year and never have a period of total darkness for more than 24 hours.
这些地点差不多连续243天都将受到太阳的照射，黑夜的总时间不会超过24小时。
There's also a Period which can be used to represent any period of time, like “two years, three months, seven days, four hours, fifty mintues”.
还有一个Period类来表示任意的时间周期，如“两年、3个月、7天、4小时、50分钟”等。
Third, Hillary had billed Madison for a grand total of twenty-one hours of legal work at the Rose Law Firm over a two-year period.
再次，在两年的时间里，希拉里为罗斯律师事务所代表麦迪逊储贷银行处理法律事务总共只有21小时的律师工作时间。
Messages remain in the mail database for the period that soft deletes are set (by default, messages are set to expire after 48 hours).
在软删除所设置的一段时间内(默认情况下，消息设置为48小时以后过期)邮件仍旧保存在邮件数据库中。
In court documents, plaintiff Craig Smallwood claims he played the game Lineage II for over 20,000 hours during a six-year period from 2004 to 2009.
从法律文件来看，原告克雷格斯默尔伍德声称从2004年到2009年他玩天堂ii的时间已经超过两万小时。
They were visited during February to May 2007 and samples were taken after a waiting period of two hours after cleaning and disinfection.
在2007年5月份到他们那里，并且在清洁和消毒后的两小时进行取样。
Give yourself a specific time period — say two hours — to answer personal e-mails, update your Facebook page, and check texts, Cash suggests.
卡西建议：给自己一个明确的上网时间限制——比如两个小时——来收发邮件，更新Facebook主页，查看短信。
For example, working hours might be from 8:30 a.m. to 5:15 p.m., Monday through Friday, with an exception period from 11:30 a.m. to 12:15 p.m. for lunch.
例如，工作时间可能从星期一到星期五的上午8：30到下午5：15，而从上午11：30到下午12：15则是进行午餐的例外时间段。
For example, working hours might be from 8:30 a.m. to 5:15 p.m., Monday through Friday, with an exception period from 11:30 a.m. to 12:15 p.m. for lunch.
例如，工作时间可能从星期一到星期五的上午8：30到下午5：15，而从上午11：30到下午12：15则是进行午餐的例外时间段。
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