After people have learned that magnets attract things, centuries passed after they took note of the fact that magnets sometimes also repel things.
在人们了解到磁铁能吸引事物之后，几个世纪过去了，他们才注意到磁铁有时也会排斥事物。
Change the filters on your air-conditioning vents. These filters are dust and pollen "magnets".
更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。
One-half of each solenoid loop was replaced with an aluminum card into which tiny vicalloy bar magnets were embedded.
每个螺线管回路的一半都换成了铝卡，其中嵌入了细小的维卡合金棒形磁铁。
Need at least 300 tiny multi-colored magnets.
至少需要300个不同颜色的小型磁铁。
No steel rods, no magnets, no computer trickery.
那里没有钢条、没有磁铁也没有电脑欺骗。
Wood says dirty clothes are magnets for moths.
Wood说，脏衣服是滋生蛀虫的温床。
It is the key ingredient of super-strong permanent magnets.
它是超强永久磁铁的关键成分。
Generators (roughly speaking) consist of magnets moving relative to coils.
大致来水，发电机就是由相对运动的磁铁和线圈构成的。
They are used in magnets and semiconductors and a host of other technologies.
这些稀土材料可应用于磁铁和半导体的生产，并被应用于一系列其他技术中。
You've just made two smaller magnets each with their own North and South poles.
你仅仅是得到了两个拥有各自的两极的更小的磁体罢了。
"If I used magnets, the fish would stick together," he told a CCTV news programme.
“如果我用了磁铁，金鱼会粘在一起的，”他在央视的一个新闻节目中表示。
The magnets have yet to be fixed, although physicists think they know how to do it.
尽管物理学家知道怎么做，但磁铁还有待修复。
Why not have the magnets encapsulated in the external, fast moving part of a turbine?
为什么磁铁不是被安装在外部的，快速移动的涡轮中？
Once a child earned enough magnets, the child could redeem an item from the prize box.
当孩子挣了足够多的磁铁时，他就能从奖品箱里换一个奖品了。
So why not attach the magnets directly to the external, rotating parts of the turbine?
那为什么不把磁体直接放置在涡轮机外部旋转的部件上呢？
Other types of magnets could be used in turbines, and rare earth metals could be recycled.
其他种类的磁铁可以用在涡轮机上，稀土金属可以循环使用。
Change the filters on your air-conditioning vents. These filters are dust and pollen magnets.
更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。
Reply magnets are the opposite of answer people - they post infrequently and everyone answers.
这种类型的人正好是回答别人的一个方面。他们不断地发布话题或者帖子，而其他人会给与回复。
In that case, CERN would adjust the strength of compensating magnets to coax the beam back into shape.
遇到这种情形，CERN将调整补偿磁铁的强度以诱使粒子束重新回到平面上。
If you are missing just one of these Man Magnets, you won't get the love life you want and deserve.
如果你错过了男性引力中的一个，那么你就错过了你期望的也是应得的爱情生活。
Nickel is used in stainless steel, magnets, COINS, guitar strings, batteries, and in many different alloys.
不锈钢、磁铁、硬币、吉他弦、电池等多种合金都含有镍。
Most magnets, like the ones on many refrigerators, cannot be turned off; they are called permanent magnets.
大多数磁铁，像吸在冰箱上的那些，不能被关闭磁性；他们被称为永磁体。
These magnets always have a magnetic field—akin to the magnets used to attach things to refrigerator doors.
永久磁铁始终保持自己的磁场——类似于冰箱门上使用的磁铁。
The metals, 17 in all, are also used to make lasers, magnets, camera lenses, computer memory chips and more.
稀土金属共有17种，也被用于制造激光、磁铁、相机镜头、电脑存储芯片，还有其他各种用途。
One target: neodymium, a rare-earth essential for magnets used in everything from microphones to wind turbines.
有一个目标是：钕，一种稀土元素，用于从话筒到风力涡轮机等一切使用磁铁的产品。
One target: neodymium, a rare-earth essential for magnets used in everything from microphones to wind turbines.
有一个目标是：钕，一种稀土元素，用于从话筒到风力涡轮机等一切使用磁铁的产品。
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