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。
2
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。
3
According to National Standard of GB4706.1-1998, Isolation Resistance test has been canceled in home appliance field.