etch virus of tobacco

例句：

1. 1. The etching process is crucial for the manufacturing of micro-electronics.
   刻蚀过程对于微电子制造至关重要。
2. 2. The researcher discovered a new etching virus that could be used to create more efficient cutting tools.
   研究人员发现了一种新的刻蚀病毒，可以用来制造更高效的切割工具。
3. 3. The etching virus has been found to have a significant impact on the environment.
   研究发现，刻蚀病毒对环境有显著影响。