锌指核酸酶是一种人工制做限制性内切酶，通过将锌指DNA结合区与限制性内切酶的DNA切割区融合获得。
Zinc finger nucleases (ZFNs) are artificial restriction enzymes made by fusing an engineered zinc finger DNA-binding domain to the DNA cleavage domain of a restriction enzyme.
对脆性材料的切割机制进行研究，建立切割冲蚀模型，分析受冲击区的应力。
The mechanism of cutting brittle materials was studied, the impact model was established and the stress of impacting area was analyzed.
其中最引人注目的是生活区的光滑表面，由粗琢不规则的垂直网格切割而成。
Its most striking feature is the way the smooth surface of the living area is cut by an irregular orthogonal grid of rustication.
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