In the structure of 1, CuI ion site between the two CuII ions, which blocks the magnetic coupling of the spin center, so the compound show very weak antiferromagnetic behaviors.
在配合物1中，结构中存在一价铜，并且这个一价铜嵌在所有的二价铜之间，这就阻碍了顺磁离子之间的磁耦合，所以这个配合物呈现出非常弱的反铁磁耦合。
Let's do an example. Let's try to figure out if we have just a uniform disk how hard it is to spin it around its center.
还是看个例子吧，有一张均匀的唱盘，让它绕中心旋转有多难呢？
For example, you can try to measure how hard it is to spin this sheet of paper about an axis that is in the center of it.
比如，试着让一张纸绕其中心轴旋转，看看有多困难。
A stroke that lands above the center of a ball, as in golf or tennis, giving it a forward spin.
上部击球是击在球中心以上的抽球，从而使球向前旋转，这种手法常用在高尔夫或网球中。
Spin-on platinum diffusion was used to introduce recombination center in order to reduce the reverse recovery time TRR of fast recovery diode.
采用直拉单晶硅片代替成本较高的外延硅片，采取铂扩散的方法引入复合中心，从而控制少子寿命以减少快恢复二极管的反向恢复时间。
Make sure that you are skimming the edge of the ball, rather than hitting towards the center of the ball. The closer to the edge contact is made, the more spin you will generate.
发旋转秋的关键是要球拍擦过乒乓球的边缘部分，而不是结结实实的打在乒乓球的中心。
The original recipe is rich, moist dark chocolate with cream-cheese icing, while the Beijing spin has a white-chocolate center.
最原始的食谱很丰富，黑巧克力酱和芝士奶油糖霜搭配。而北京的则是以白巧克力为核心。
The original recipe is rich, moist dark chocolate with cream-cheese icing, while the Beijing spin has a white-chocolate center.
最原始的食谱很丰富，黑巧克力酱和芝士奶油糖霜搭配。而北京的则是以白巧克力为核心。
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