要查重啊！那怎么办呢？
第一招：被动变主动，主动变被动，举个例子
原文
Temperature programmed desorption of oxygen (O2-TPD) was carried out in a conventional apparatus equipped with TCD.
改成
We carried out O2-TPD in a conventional apparatus equipped with TCD.
不过论文还是多用被动比较好！
第二招 移动位置
原句
Finally, the sample was heated at a rate of 35 °C/min in helium to record the TPD spectra.
改造后
Finally, the sample was heated in helium at a rate of 35 °C/min to record the TPD spectra.
第三招，同义替换
Then, they were cooled down to ambient temperature in the oxidizing mixture and flushed by a stream of purified He for 30 min.
改成
Then, they were cooled down to room temperature in the oxidizing mixture and flushed by a stream of purified He for 30 min.
第四招，谷歌翻译
把英文翻译成中文，然后再把中文翻译成英文，再大概修改下就可以得到一个好句子。
