生物钟学(Chronobiology)或“生物计时”是研究活生物种的内在节律。
Chronobiology or "biological timing" is the study of internal rhythms in living organisms.
正态分布是典型的钟形曲线，这在统计学中经常出现。
A normal distribution is the classic bell curve that appears so frequently in statistics.
在统计学中，风险管理的标准方法是基于“钟形曲线”（或曰正态分布）的，绝大多数结果分布在中间，极端情况十分罕见。
The standard statistical approach to risk management is based on a “bell curve” or normal distribution, in which most results are in the middle and extremes are rare.
根据人体结构学设计的造型，轻柔变换的色彩，以及你最喜欢的音乐的播放，这些保证你睡个好觉，并且只睡20 - 30分钟就能精神饱满。
With its ergonomic shape, gentle changing colours and your favourite music, you're guaranteed great shut-eye and be refreshed in 20-30 minutes.
大多数本科生课程，比如软件工程学，一周有四节课，每节课50分钟。
Most undergraduate courses, such as software engineering, have four fifty-minute classes each week.
我们不可能准确地说出礼貌重新出现需要多长时间，但是，简单的生物学把它置于两艘船获得的18分钟和2小时40分钟之间某个地方。
Precisely how long it takes before decorum reappears is impossible to say, but simple biology would put it somewhere between the 18-min. and 2-hr.
一名神经精神病学顾问建议冬天睡眠质量差的病人每天早上在日光台灯旁照30分钟。
A consultant neuropsychiatrist recommends use of a daylight lamp for 30 minutes each morning for patients who don't sleep well in winter.
本文将描述它的机械和电子学设计特点，并与上海天文台早期制造的氢钟进行了详细的比较。
This paper describes the mechanical and electronics design philosophy of the new maser, and comparisons with previous masers made at Shanghai Observatory are detailed.
但是，麻雀觉得熊猫一点都没品味。麻雀学游泳，争取每天能憋气一分钟。
However, the sparrow considers that panda doesn't have taste. He learns swimming, trying to hold breath longer and longer.
学：过一刻钟了。克：九点。
《学汉语》是一档15分钟的教学节目，旨在满足外国人日益增长的学习汉语的需求。
Learn to Speak Chinese is a 15-minute educational program, aimed to meet the increasing needs among different people in the world to learn the Chinese language.
对一个人有感觉需要一分钟，喜欢一个人需要一小时，爱上一个人需要一天，但是，忘记一个人却学要用上一辈子。
It takes a minute to have a crush on somebody, an hour to like someone and a day to love someone. But it takes a lifetime to forget someone.
李明博在一名电视女主持人和一位大学教授进行的90分钟的讨论中作出了上述有关可能重启南北对话的评论。
Mr. Lee made his comment about the possibility of renewed dialogue during a 90-minute discussion with a television anchorwoman and a university professor.
这项研究发表在《实验生物学》杂志上，30分钟走步之后（或在笼子中），参与者的内源性大麻素水平并没有升高。
The researchers report in the Journal of Experimental Biology that, after 30 minutes of walking (or sitting in a cage), participants' endocannabinoid levels did not rise.
一分钟足以将一个句子读20遍。记住：一分钟也可以创造奇迹。永远都不要说你没时间学英语！
One minute is enough to read a sentence 20 times. Remember, one minute can also produce miracles. Never say that you don't have enough time to learn English!
坚持不懈，从不间断。每天至少看10 -15分钟的英语，早晨和晚上是学英语的最好时间。
Never give up, keep working on. Speak English at least 10-15 minutes every day. The best time to learn English is in the morning and the evening.
我最先开始学韩语时，十分钟就学会了数字，这多亏了韩语数字歌的帮忙。
When I first started learning Korean, I learned my Numbers in 10 minutes with the Korean Numbers Song.
最后，如果你真的想学好，处处都有学英语的机会，一定坚持下去，不要一分钟热情。
Finally, if you really want to learn, everywhere has the opportunity to learn English, must stick to it, don't be a minute.
对于钟敬文的思想，学界缺乏系统研究，多为阶段性或民间文艺学的某个分支领域的研究。
However, the main investigation to the thought of Zhong Jingwen is periodic and single-angled and lack of systematic investigation in Chinese educational circles.
《当今生物学》的一篇研究告诉我们：生活周期将不以天为单位，这也是驯鹿的生物钟。
Which is exactly what reindeer seem to have done, according to a study in Current Biology.
要学的东西实在太多了，五分钟不够。
电子计算机是无线电电子学的一项人所共知的成就，这种计算机一秒钟能进行数千次运算。
A widely known achievement of radio electronics is an electronic calculating machine that can perform several thousand arithmetical operations in one second.
每次学习45分钟、一周学三次远远更比一次学三个小时效果好得多。
Three 45-minute study sessions are more effective than one 3-hour session.
如果每天学10分钟你的英语将一直领先，如果一周学一次，英语将不如当前。
If you study each day for 10 minutes English will be constantly in your head. If you study once a week, English will not be as present in your mind.
如果每天学10分钟你的英语将一直领先，如果一周学一次，英语将不如当前。
If you study each day for 10 minutes English will be constantly in your head. If you study once a week, English will not be as present in your mind.
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