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- According to a database of plot sampling on exotic harmful plants combined with the characteristics of exotic harmful plants, we introduced a new method in selecting and setting plots to determine the harmfulness of such plants. 摘要在外来有害植物试点调查的基础上,结合外来有害植物的特点,介绍了外来有害植物种群测定的样地选择和设置方法。
- exotic harmful plant 外来有害植物
- Integrative Method in Determing Population Diffusion of Exotic Harmful Plants 外来有害植物种群扩散的综合测定方法
- Study on the Content of Protein in Leaves of Some Important Exotic Harmful Plants in the East of Guangdong 粤东地区重要外来有害植物叶蛋白含量的研究
- The results showed that its comprehensive estimation risk value was 2.18,which suggested that it belonged to high risk exotic harmful organism. 结果表明;三裂叶豚草的危险性综合评价的风险值R为2.;18;属于高风险外来有害生物
- Strategies to counter the invasion of exotic and harmful plant pests 外来植物有害生物入侵及其对策
- Air pollution also harms plants and animals. 大气污染同时也对动植物有害。
- Would it confuse some animals and harm plants that are used to regular day-night cycles? 它会不会把那些按照昼夜规律生息的动物、植物的节律打乱,而对它们有所伤害?
- The plant was growing at an angle. 植物呈一定角度生长。
- A benign tumour will not cause you any fatal harm. 良性肿瘤不会对你有致命的伤害。
- The film retains much of the book's exotic flavour. 这部电影保存了原著的许多异国情调。
- If you do harm to me I shall not look over you. 如你对我使坏,我可不饶恕你。
- His failures did his reputation a lot of harm. 他屡次失败使他的声誉受到很大损害。
- It wouldn't do him any harm to work a bit harder. 工作努力点对他没什么害处。
- The plant converts crude oil into gasoline. 这家工厂将原油加工成汽油。
- Now ordinary repairs can be handled in our plant. 现在一般的修理工作都可在我们厂进行了。
- A little of it will not do you any harm. 一点点对你不会有什么坏处。
- Exotic tropical plants in a greenhouse. 温室里引进的热带植物
- Plant need water the way they need sun light. 植物需要水就像它们需要阳光一样。
- The man formed a habit of taking harmful drugs. 这人养成了服用有害麻醉品的习惯。