添加或删除片段(10.00中新增)。
基因改造,就是借助某种特别的酶,删除选中基因片段。
Genetic modification can be used to cut out selected pieces of DNA (or genes) using special enzymes.
常规的Web页面都是从页面删除样式,然后在样式表中填入一个外部文件或代码片段。
Normal Web pages have their style removed from the page and placed in an external file or section of the code, in a stylesheet.
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