对那些深埋的矿物，就用地球物理勘探法来获取资料，如常用的地震勘探技术和钻取岩心法。这些技术对于找矿是最有用的。

For the buried minerals geophysical techniques are used to get information. For example, seismic technique and core drilling are often used. These techniques are the most important in prospecting.

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有谁能帮自己找面英国英语取好国英语地区分，并用英文写一下。或…

The very first difference comes from pronunciation, or the American and British accents. For example, "car", which in British English is often …

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Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.

这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器

耶鲁公开课 - 生物医学工程探索课程节选