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   种类动态 的翻译结果: 查询用时:0.226秒
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种类动态
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     Dynamic State
     动态
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     Dynamic news
     动态
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     and nematode killed by B.t.
     种类、B.t.
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     Advances in studies on Apini
     蜜蜂族Apini种类研究动态
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     The variety of frequency synthesizers is presented, and its technical development trend is described.
     介绍了频率合成器的种类、技术发展动态;
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This paper summarizes four kinds of ultrafiltration dynamic membrane: complete pore blocking model, standard pore blocking model, intermediate pore blocking model and cake filtration model. It derives the functional relationship between different variables on the basis of some rational hypothesis.

总结了超滤过程中形成动态膜的种类 ,并针对不同种类动态膜在合理假设的基础上 ,推导出各种变量之间的函数关系 .

Through field investigation in three storage pools of coal ash in the general firepower plant in Tongliao, the vegetative restoration and dynamic of the species in different time were comparatively analyzed. The results showed that there were 62 specie plants in three storage pools, subject to 20 families and 47 gena. There are 59 specie plants in 10 years restoration plot, 48 specie plants in 7 years restoration plot and 38 specie plants in 4 years restoration plot. In all three vegetative restoration areas,...

Through field investigation in three storage pools of coal ash in the general firepower plant in Tongliao, the vegetative restoration and dynamic of the species in different time were comparatively analyzed. The results showed that there were 62 specie plants in three storage pools, subject to 20 families and 47 gena. There are 59 specie plants in 10 years restoration plot, 48 specie plants in 7 years restoration plot and 38 specie plants in 4 years restoration plot. In all three vegetative restoration areas, Gramineous and Leguminous plants occupied the dominance position, which general coverage degrees were more than 85 percent. But in the inlaid community there was more rhizome plants. In the spectrum of life form of Raunkiaer, the annual plant has the most proportion in al three vegetative restoration areas.

通过实地调查,对通辽发电总厂3个储灰池不同时间植被恢复及其植物种类动态进行了比较分析。结果表明,在3个正在植被恢复的储灰池中,共出现62种植物,隶属于20个科,47个属。其中,恢复10年区共有植物59种,恢复7年区48种,恢复4年区38种。3个植被恢复区均以禾本科和豆科植物占优势地位,总盖度在85%以上。恢复区的镶嵌群落以根茎植物为主。在Raunkiaer生活型谱中,3个植被恢复区均以一年生植物的比例最大。

Investigations were carried out on species, distribution, damage style and yield loss by the insect pests and diseases to major chestnut production area in Zhejiang province, by means of integrated census and key area investigation. The specimens were checked by means of related identification material. The result showed that there are 317 species of insect pests and diseases to chestnut in Zhejiang, in comparison of 156 species known, 116 species newly found. Meantime, dynamic changes of the species, distribution,...

Investigations were carried out on species, distribution, damage style and yield loss by the insect pests and diseases to major chestnut production area in Zhejiang province, by means of integrated census and key area investigation. The specimens were checked by means of related identification material. The result showed that there are 317 species of insect pests and diseases to chestnut in Zhejiang, in comparison of 156 species known, 116 species newly found. Meantime, dynamic changes of the species, distribution, damage style and yield loss in recent years were studied for the control.

采用普查与重点调查相结合的方法,对浙江省板栗主要产区的病虫害种类、分布范围、为害部位及为害程度进行了较为系统的调查,根据有关病虫害分类资料,将采集到的病虫害标本进行了核对、鉴定和分类统计,结果显示,浙江省全省板栗板虫害共分布有263种,比科技查新获知种类156种增加了107种,同时查清了近年来新增病虫害的种类动态变化、分布范围及其为害程度。

 
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