In addition, it also makes comment on the improvements for existent catalytic process and the development of new catalytic technology to protect the environment against pollution.
另外还对一些环保方面的现有催化过程的改进和新催化工艺的开发作了评述。
In modern society many people suffer a lot from the polluted air. We should fight a battle against pollution to protect our environment.
在现代社会许多人饱受空气污染之苦。我们应该与污染作斗争，以保护我们的环境。
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