优势种
- 与 优势种 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The appearance of brushless DC motor brought the development of EPS a new opportunity. BLDCM does not only possess almost all the advantages of a DC motor, but also has a series unique advantage. The way of taking the place of DC motor by a permanent magnet coreless brushless DC motor gives a totally new method for the development of EPS in the future.
无刷直流电机的出现为电动助力转向的发展带来了新的机遇,它不仅具有几乎直流电机的全部优点,同时还具有一系列无可比拟的优势,特别是采用无铁心永磁无刷直流电机代替普通直流电机,不失为今后电动助力转向发展的一种全新思路。
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Under the basis of the experimental results in lab, crossflow packed-bed absorber for additional experiment is designed according to experience.
在综合考虑以上工艺路线基础上,本文提出了一种更有优势的铁屑法烟气脱硫新工艺,主要研究内容有: 1。
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Species richness and Pielou evenness index were used to measure species diversity. Species richness in polluted area was 32-67, while in control area it was 47-82. Pielou evenness index of tree layer was 0.1161-0.8509, while those of shrub layer and herb layer were 0.1763-0.3249 and 0.0443-0.2601, respectively. The results showed that both species richness and Pielou evenness index were influenced by the point source pollution. Species importance values showed significant differences between polluted area and control area. Dominance of different species had changed, and some species even disappeared under the pressure of pollution, indicating a process of species replacement in plant communities. Such species replacement can provide a scientific basis for species selection for restoration of human-damaged ecosystem. The natural regeneration of Quercus variabilis was insensitive to pollution, while Cupressus funebris was effected seriously.
仅在污染区中出现的物种数量远低于仅在对照区中出现的物种数量;(2)可分出4种基本的群落类型:马尾松林、柏木林、栓皮栎林和马尾松+栓皮栎林,各群落特定层次的物种丰富度指数以及Pielou均匀度指数在污染区与对照区之间存在显著差异;(3)污染胁迫下,物种在群落中的生态优势度发生了变化,反映了群落中不同物种相互替代的过程,这种物种的替代可为今后受损生态系统人为恢复过程中物种的筛选提供一定的理论参考;(4)对群落中王要物种更新的调查发现:栓皮栎林对污染不敏感;柏木林污染区与对照区幼苗数量及分布格局均有明显差异,污染条件下群落未来演替受到严重干扰。
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These differences mainly manifest themselves as the non-correspondence in word designative and associative meanings, thus posing great problems for translation.
作者认为,这两种策略在翻译含有文化因素的文本时都具有各自的优势和不足。但是,在具体翻译过程中仍要有所侧重。
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Supply chain management is becoming one effect approach to acclimatize itself to competing in the whole world. There are so many advantages to attract scholars and the persons of corporation bound such as cooperate in stratagems, respond quickly, higher flexible, lower risks and the objects of cost-benefit. The multi-subject background, the diatropic thought method of SCM, Supply chain is becoming the focus.
供应链管理已成为新世纪企业适应全球竞争的一种有效途径,其所体现的战略合作、快速响应、高柔性、低风险、成本-效益目标等优势吸引了许多学者和企业界人士的关注,供应链管理理论的多学科背景性和思维方法的横向性更使其成为研究的焦点。
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AFDX is applied in aviation and spaceflight field more abroad with its unique advantage, but because of its communication model, It can't satisfy the requirement of divinable and low latency of the real-time mission, The research of real-time of AFDX has became a important task, To improve the real-time of the network, the most doable method is to adopt the priority management model. This paper analyzes the issue of packet transmission with different priority; gives the average queue time and stay time of packets with different priority under two queue models and gives the computer simulation.
航空电子全双工交换式以太网以其独有的优势在航空航天等领域的应用不断扩展,但是由于通信模式,无法满足实时任务的可预测性和低延迟等要求,因此,研究AFDX的实时性成为一个重要的课题,为了提高网络的实时性最可行的措施就是采取优先级管理模式,对具有优先级的分组传输问题进行了分析,给出了两种优先级排队模型下,不同优先级分组的平均排队等待时间和平均逗留时间,并进行了计算机仿真。
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Among 13 DRB1 alleles detected in Drung ethnic, a unique feature of its allele distribution is having predominant homozygotes (64.9%) in all studied populations. In Drung HLA-DRB1〓14011 is highly prevalently presented with the allelic frequency of 70.07%.
独龙族中检出13种等位基因,其遗传学显著特点是纯合子类型检出较多,纯合子36个,占被检样品的64.9%,DRB1*14011分布占绝对优势,占被检出等位基因的70.07%。
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Barn yard grass (Echinochloa crus-galli ) and day flower were the most abundant weeds.
其中前7种相对多度达20以上,可视为当地大豆田的优势杂草。
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Antibody against endolysin will not neutralize its activity. So endolysin treatment may be a new approach for preventing and controlling of bacteria pathogen.
另外,裂解酶还具有高效性,作用协同性,且自身抗体不削弱其作用等优势,使之成为未来预防、控制致病菌一种可能的新途径。
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Enteritidis were obtained from poultry and its meat products.The antibiotic resistance of food isolates was higher than clinical isolates. The drug resistance spectrum of diarrhea patients isolates in 2006 was different from that in 2007.76 strains including 13 food-borne strains belong to 21 PFGE pattern combinations,and their genetic similarly was higher than 80%.
包括13株食品株在内共76株肠炎菌株可分为21种PFGE带型,遗传同源性接近80%,优势带型依次为3型(34株)、1型(12株)、2型(5株)和5型(5株),除2型外均发现有与腹泻株同型的食源株。2006和2007年的PFGE1/2型病例分别为4例和12例。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。