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- Allelopathic activity showed that podophyllotoxin against root of A.retroflexus.L. and Avena fatua , deoxypodophyllotoxin against root of A.retroflexus. 鬼臼毒素和脱氧鬼臼毒素对辣椒疫霉、番茄灰霉及油菜菌核具有较好的抑制活性；
- Laboratory studies were conducted to establish the method of grinded plant tissue powder mixed with agar (PPA) to determine the allelopathic activity of leaf powder of 40 plant species. 摘要通过室内研究，建立了将植物组织的粉末混入0.;5%25琼脂溶液中冷凝后来测定植物化感作用的“琼脂混粉法”，并利用该方法对40种园林植物叶片进行了测定。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Allelopathy activity 化感作用
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- A range of endeavor or activity; a province. 范围努力做 ... 的范围或活动范围; 范围
- Rice allelopathy and its physiobiochemical characteristics. 水稻化感作用及其生理生化特性的研究。
- Strict regulations that paralyze economic activity. 阻碍经济活动的严格的规章制度
- Research significance and foreground of allelopathy. 化感作用的研究意义及发展前景。
