be produced of itself

常见例句

双语例句

• In fast ion-cluster collisions, Na 2cluster ions can be produced with minimum or even no excitation of the cluster itself.
  在快重离子与团簇作用中，可以得到低激发态的团簇离子。
• Filtering out sinusoidal components of the signal that occur at frequencies that cannot be produced by the music itself results in recording the music with little wind and rain noise.
  滤除 非音乐自己产生的那些频率的信号的正弦部分能够使记录的音乐中几乎没有风 和雨的噪声。
• This second gene, activated whenever the gene for P16INK4A was active, produced a protein that was harmless in itself, but which could be made deadly by the presence of a particular drug.
  这第二段基因编码产生的蛋白质对自身无害，但在特殊的药物作用下，它就会变的很致命，只要P16INK4A分子有活性它就能被激活。

权威例句

• This second gene, activated whenever the gene for P16INK4A was active, produced a protein that was harmless in itself, but which could be made deadly by the presence of a particular drug.
  ECONOMIST: A way to counteract part of the process of growing old
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