这种细菌喷雾先是由一组六株细菌分解混合气味，然后再释放一种由橘子皮制成的香水气味。

First, a set of six strains of bacteria work to break down the odorous compounds and then a perfume made from orange peel lightly scents the air.

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唯一的区别是，必须在程序结束时调用cleanup方法来释放不需要的资源，然后再停止JVM进程。

The only difference is that the cleanup method must be called at the end of the program to release the unneeded resources before stopping the JVM process.

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