这是系里一年中最忙的时间。
This is one of the busiest times of the year for the department.
我听说系里也在招聘新的教员来教一些新课程。
the department's hiring new faculty too, I heard, to teach some of the new courses.
你有系里关于索引、引用和参考文献的正确格式的文件吗？
Do you have a copy of the department's document on the correct format for index, citations and references?
只要你符合系里的要求，并且按时交表格，你就不会有任何问题。
As long as you've met the departmental requirements and you submit the form on time, you shouldn't have any problem.
有关他被撤职的谣言在系里传开。
Rumours of his dismissal were noised abroad in the department.
举例来说，在我们的太阳系里。
在太阳系里哪一个行星是最大的？
太阳系里最冷的地方在那里？
木星是太阳系里最大的行星。
在太阳系里的确是这样。
我向系里呈递了辞职书。
关于在xy坐标系里建立二重积分有问题吗？
OK, any questions about how to set up double integrals in xy coordinates?
在太阳系里，地球是唯一能支持生命的行星。
The earth is the only planet in the solar system that supports life.
我也认识系里另一个人，据我所知，我是她唯一认识的人。
Then I know someone else in the department and, as best I know, I'm the only person she knows.
太阳系里所测量到的温度最低的地方是在月球上。
The lowest temperature ever measured in the solar system was on the Moon.
在系里的节日聚会上，我坐在两位资深教授中间。
At my department's holiday party, I sat between two longtime professors.
我是属于实践类的教授，在麻省理工学院，在核科学与工程系里。
I'm a professor of the practice here at the Massachusetts Institute of Technology in the nuclear science and engineering department.
他一直让门敞开着，欢迎别人到访，还参加系里组织的野餐会等活动。
He always kept his door open and attended such events as the department picnic.
另一方面，大卫作为系里唯一的男孩，设计的作品往往会走极端。
David, on the other hand, as the only boy in the faculty, tended to be extreme in his designs.
这些珍珠般大小的岛是leeward岛系里的一个而其位置最北。
This pearl of the pacific is one of the group of Leeward Islands and is the northernmost.
行星科学家们现在怀疑是不是还有更多这样的“热点”分布在太阳系里。
The recent discovery of the geysers on Enceladus added a second twist, making planetary scientists wonder if there are even more such hot spots scattered around the solar system.
但是现在系里确实拥有了一些有偷盗价值的东西，因此学校安装了一些非常坚固的锁。
But now that the department actually possessed things worth stealing, the university installed some industrial-strength locks.
接下来有个坏消息就是，不仅要会在xy坐标系里做，还要会在极坐标系里做。
So, the bad news is we have to be able to do it not only in xy coordinates, but also in polar coordinates.
45亿年前地球形成的时候，太阳的热量把太阳系里的水分赶到了星系的边缘。
By the time our planet formed about 4.5 billion years ago, the sun's heat had driven most of the solar system's complement of water out toward the edges.
对金星进行的类似探测带回来的是同样的坏消息：太阳系里除地球之外一片贫瘠。
Equivalent probes to Venus brought back the same bad news: the solar system was barren outside of Earth.
在极坐标系里，要记住在积分一侧,只是把x变成rcosθ，y变成rsinθ
So, when you go to polar coordinates, basically all you have to remember on the side of integrate is that x becomes r cosine theta. y becomes r sine theta.
举例来说，在我们的太阳系里，对于生命来说，金星的温度太高，而火星的温度则太低。
In our won solar system, for example, Venus is far too hot and Mars is far too cold to support life.
举例来说，在我们的太阳系里，对于生命来说，金星的温度太高，而火星的温度则太低。
In our own solar system, for example, Venus is far too hot and Mars is far too cold to support life.
举例来说，在我们的太阳系里，对于生命来说，金星的温度太高，而火星的温度则太低。
In our own solar system, for example, Venus is far too hot and Mars is far too cold to support life.
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