例句與造句

1. 8 . after fumigation for 3h in diverse concentration so2 , the cat activity of resistant plant and sensitive plant is obviously less than the check group , and the rate of cat decrease rises with the rise of so2 concentration . the cat activity of resistant plant is comparatively stronger than sensitive plant ' s
   8 .不同濃度的50 :熏氣3h后，抗性和敏感植物體內(nèi)的cat活性均明顯低于對(duì)照，而且隨50 :濃度的增大cat降低的比率也隨之增大，濃度越大，差別越顯著，而且抗性植物體內(nèi)的cat酶活性相對(duì)高于敏感植物。
2. It's difficult to find check group in a sentence. 用check group造句挺難的