Dendroctonus
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美[]
双语例句
- 1. Dendroctonus valens is a dangerous insect pest of several pine species in China.
- 红脂大小蠹是我国一种危害油松等松树的外来入侵物种。
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- 2. Dendroctonus is one group of most serious forest pests, all of which are economic species, and could directly cause great losses of forest resources.
- 大小蠹是林木害虫中危害最严重的一个类群，全部种类都是经济种，均可以直接造成林木资源的巨大损失。
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- 3. The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.
- 采用标准地调查和单株调查的方法，研究了红脂大小蠹的发生和危害规律。
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- 4. The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.
- 采用标准地调查和单株调查的方法，研究了红脂大小蠹的发生和危害规律。
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