Stem cell research has greatly contributed to the field of oncology with the identification and isolation of cancer stem cells from a variety of tumors.

干细胞研究极大地促成了肿瘤学另一个新领域的研究，即从各种肿瘤中分离并鉴定肿瘤干细胞。

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A related layer is the field oxide, which provides isolation from other device structures.

一个相关层是场氧化层，使其与其它器件结构分离。

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According to National Standard of GB4706.1-1998, Isolation Resistance test has been canceled in home appliance field.

按照国家标准GB4706.1 - 1998的要求，在家用电器领域取消了绝缘电阻的试验。

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The next four-month mission in the northern climes of Canada will see a team of scientists donning mock spacesuits and undertaking field and scientific experiments in complete isolation.

CNN: Life on Mars?