The difference lies in whether the project is in a sense defined and developed by the student or whether it s assigned by a teacher.
区别在于这个项目是由学生定义和开发的，还是由老师指定的。
The plural 's' is not a free form, as it must always be attached to a noun.
表示复数的s不是自由语素，必须附着于名词。
The experience of British business in Iran between the 1860's and the 1970's is one example of the changing importance of British enterprise in Asia as a whole.
19世纪60年代至70年代英国企业在伊朗的经历是英国企业在整个亚洲重要性不断变化的一个例子。
Fail—"a noun or interjection used when something is egregiously unsuccessful"—was 2009's the most useful word.
失败——“名词或感叹词，当某事非常不成功时使用”——被评为2009年最有用的单词。
Mary Barton, particularly in its early chapters, is a moving response to the suffering of the industrial worker in the England of the 1840's.
特别是《玛丽·巴顿》这本书的前几章，对19世纪40年代英国工业时代工人所受的苦难做出了感人的回应。
Why is a sea horse shaped like an "S"?
海马的形状为什么像一个“S”？
Part of Chang'e 4's mission (使命) is to see how a moon base could be built for humans, including exploring (探索) whether humans could grow food and other plant products there.
嫦娥4号的部分使命就是探测怎样为人类建一个月球基地，包括探索人类是否能在上面种植食物和其他植物。
The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?
月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？
Syringa x hyacinthiflora is a cross between Syringa oblata and S. vulgaris.
紫丁香是扁形紫丁香和普通紫丁香的杂交品种。
The whole system is a B/S prototype with a nicer interactive interface.
整个系统为B/S框架，具有良好的人机交互界面。
A storm is classed as a super typhoon if it reaches maximum sustained 1-minute surface winds of at least 65 m/s.
如果风暴的最大持续时间为1分钟，表面风速至少为65米/秒，就会被列为超级台风。
Still, the idea that ads can be a social experience is the industry \ 's best hope.
诚然，相信广告会成为一种社交体验的想法是该行业的最好希望。
Usually, the main use of a semaphore is to synchronize a thread?s action with other threads.
通常，信号的主要用途是同步某个线程与其他线程的动作。
A good wife and health is a man s best wealth.
男人最大的财富就是爱妻和健康。
A UDF is an extension to DB2's capabilities.
UDF是DB 2功能的一个扩展。
No one can deny the fact that a person "s education is the most important aspect of his life."
没有人能否认：教育是人生最重要的一方面。
S: So this is a team of galactics, is that correct?
史：所以这是一个银河团体，这个说法正确吗？
For example, if a stereotype S is applied to the element E, the system will display E in Project Explorer and on diagrams for that element.
举个例子，如果一个原型S被应用到元素E,系统将会显示 E在项目浏览器中 ，并且在图表里显示元素。
A problem with anger is that it \ 's contagious.
愤怒的一个问题就是它会传染。
But the U. S. is a bigger stakeholder: they have their entire reputation at risk.
但美国自身是更大的利益相关者：他们的整个声誉都在经受挑战。
So, that's by the divergence theorem using the fact that s is a closed surface.
所以那是通过散度定理得到的，其中使用了S是封闭曲面这一事实。
A man whose only kitchen skill involves the speed dial to Domino\'s is condemned to a diet of grease, salt, white bread, and sugar.
一个人的厨房技术如果只限于按动多米诺的速度盘将会被批评为整个日常饮食中只有油脂、盐、白面包和糖。
Forget KISS it s a complex world and it is getting more complicated every day.
忘记KISS原则吧，这是一个复杂的世界，而且它每一天都在变得更复杂。
Server user '% s' is not a valid user in database' % s'.
服务器用户“%s”不是数据库“% s”中的有效用户。
To make the big bonuses sufficiently \ \ \ 'big \ \ \' they started out with an experiment in a place where even a psychologist \ \ \ 's grant money is a King \ \ \' s ransom: rural India.
为确保奖励足够丰厚，研究者们将实验地选在了印度农村，在这里仅仅心理学家的补助就相当于一个国王的身价。
Focus on the audienceâ s needs. A funeral is not held for the deceased, but for the living.
关注听众的需求，一场葬礼并不是为逝者而是为生者所举行的，理解他们痛失所爱的悲伤。
You may be eligible to get a green card through a family member who is a U. S. citizen or permanent resident, or through the special categories described below.
你可能通过是美国公民或永久居民的亲属而符合获得绿卡的条件，或通过下面描述的特殊类别得到绿卡。
What it says is if s is a closed surface — Remember, it is the same as with Green's theorem, we need to have something that is completely enclosed.
它说的是，如果s是一个封闭曲面，这和格林定理是一样的，我们需要完全封闭的。
What it says is if s is a closed surface — Remember, it is the same as with Green's theorem, we need to have something that is completely enclosed.
它说的是，如果s是一个封闭曲面，这和格林定理是一样的，我们需要完全封闭的。
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