The lab is mixing particles, just 20 to 30 nanometers in size, of rare-earth magnetic materials with a non-rare-earth complement (tin cobalt).

他们的实验室正在尝试将只有20到30纳米大小的稀土磁性颗粒和非稀土填充物（锡钴）混合在一起。

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Lightly oil a 17cm square baking tin and line with non-stick baking parchment.

将17平方厘米的烘烤听罐内轻抹一层油，里面贴上一层不粘的烘烤纸。

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Preheat oven to 325 degrees. Line a baking tray with non-stick tin foil.

烤箱预热至325度，烤盘扑上一层锡箔纸。

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To make a basketball analogy, it's a bit like when your tin-armed, non-jump-shooting center gets the ball near the three-point line: You know he won't shoot or thread the ball into the post, so you have a moment's respite while he looks for a guard to bail him out.

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