dxdy Last time I told you if we have dx dy we could switch it to r dr d theta.
上一次课提到，如果给出,我们可以把它转换为rdrdθ
Installation is a breeze and all you need to do is switch it on and surf away.
安装是一件轻而易举的和所有你需要做的就是开关，这对和冲浪。
I don't like watching TV series. Could you switch it over to the Sports Channel?
我不喜欢电视连续剧，你能换到体育频道吗？
Instead of taking a bag of crisps for lunch, switch it for an apple. Get creative!
不用酥脆的饼干作为午餐，代之以一个苹果。
If you've planned to hit the zoo one afternoon but it's raining don't sweat it, switch it out for something else.
如果你计划某一天下午去动物园但下雨了。不要郁闷，把它改成其他什么活动。
The central knob has fewer positions and all you need to do is to switch it to the quantity you want to measure.
中间的旋钮只有几个位置，您所需要做的，就是选择所需要的测量功能。
The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like).
默认情况下书签工具栏已被替换成一个书签按钮(可以切换回来)。
You can decide to switch off the validation during certain application development cycle and switch it back on later on.
可以决定在应用程序开发的某些阶段关闭检验，以后再打开它。
When you turned the knob to switch it on, an orange glow would gradually light up a darkened room on a winter's evening.
当你扭开旋钮，一道橙色的亮光会逐渐照亮一个冬季傍晚的漆黑房间。
A 15-inch monitor is included in the deal. If you want, you can switch it for a 17-inch monitor, for a little more money.
十五吋的显示器包含在此项交易中。如果您想要的话，可以换成十七吋的，不过要多一点钱。
We can easily imagine a world in which I don't have the last name Kagan or perhaps to switch it around, Shelly's not my name.
我们可以容易地想象一个世界里，我不姓卡根或者，反过来，我不叫薛立。
Adding a task to a list is done by checking the task and clicking on the More Actions dropdown and choosing the list to switch it to.
通过查看任务、点击更多活动的下拉表和选择切换到的列表，任务的新建就完成了。
Xavi: OK, but don't forget to switch it off before you go, ok?… See you tomorrow… (turning off the light) It's better, this way.
可以啊，但你要记得走之前把它关掉，好吗?…明天见…（关灯）这样看得清楚点。
If the robot's artificial emotional intelligence includes a tendency to feel lonely or abandoned, I can simply switch it off until I return.
如果他的智能可以让他体会到孤独，感到被我抛弃，那我就关掉开关直到我想回来。
If the conversation isn't going your way, try to take the lead and switch it to an area where you'll naturally have more to talk about.
如果谈话没在你的轨道上，尝试引导和切换到一个领域，你自然会有更多的话要说。
I keep warnings and strict on while programming and debugging, and I switch it off once the script is ready to be used in the real world.
我在编程和调试时保留了warnings和strict，但在真正使用时，去掉了这些内容。
Me and Danny Welbeck sort of switch it up, one stays high and the other plays deep to try and change it round, so there's great options for the manager.
我和维尔贝克可以说在互相转换，一个人顶在前面而另一个则后撤防守。教练总有很多选择。
His idea is to take a jet engine, put it next to one of India's dirty coal-fired power plants, point its exhaust nozzle at the sky and then switch it on.
他的想法是把一台喷气发动机放在印度一座污染严重的燃煤发电厂旁，将排气喷嘴指向天空，然后开启发动机。
Hiss idea is to take a jet engine, put it next to one of India's dirty coal-fired power plants, point its exhaust nozzle at the sky and then switch it on.
他的想法是在印度肮脏的燃煤发电厂的旁边放置一个喷气发动机，将其排气喷嘴对准天空并开启。
You can limit the number of links, switch it between one-column and multiple-column layouts in the sidebar. and you can sort the links or random, use the 'Show all' button.
你可以限制显示链接的数量，在单栏和多栏之间随意切换。并且可以对链接进行排序或随机排列。还可以使用“显示全部”的按钮。
Since then, I’ve always positioned my alarm clock across the room, so that I have to get out of bed to switch it off. So long as you stay out of bed once you’re up, you’re there!
我十几岁的时候发现我可以找到闹钟把他们关掉然后继续睡觉，从那时起我总是把闹钟放在屋子另一边那样我就必须起床才能关掉它，只要你一离开床，你就醒了。
If you want to use this for specific encounters, I highly recommend just carrying a stack of this glyph and whichever you switch it for so you can swap just for the single encounter.
如果你在特定的战斗中需要用这个雕纹，我建议你带上一叠这个，当你需要在某场战斗时换用它。
Thankfully, I've learned to switch off and let it go over my head.
谢天谢地，我已经学会了不再烦恼，把它抛到脑后。
I fumble for my flashlight, but it falls to the floor and goes out. I find it and pull at the switch.
我摸索着找手电筒，可它滑落到地上灭了。我找到它，拉了拉开关。
This mood switch made no difference to the three-month-olds; but for the nine-month-olds, it was enough to renew their interest.
这种情绪变化对三个月大的婴儿没有影响；但对9个月大的婴儿来说，这就足以重新引起他们的兴趣。
Where previously it had concentrated on the big infrastructure projects such as dams, roads and bridges, it began to switch to projects which directly improved the basic services of a country.
以前的重心是大坝、道路和桥梁等大型基础设施项目，现在开始转向直接改善国家基础服务的项目。
Making the switch to corn ethanol will help the American economy because it will make the United States less dependent on foreign oil.
转向玉米乙醇将有助于美国经济，因为它将使美国减少对外国石油的依赖。
This button is a three-way switch; it highlights items that are bound to the data model, items that are not bound to the data model, or no items.
该按钮是一个三向开关；它可以高亮显示绑定到数据模型的项目、未绑定到数据模型的项目或者无项目。
And when it does perform a thread switch, it tends to do it in the same place whenever you run the program.
并且当它确实执行了线程切换时，每次运行程序时它往往都在同一个位置进行切换。
And when it does perform a thread switch, it tends to do it in the same place whenever you run the program.
并且当它确实执行了线程切换时，每次运行程序时它往往都在同一个位置进行切换。
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