查询词典 trophodynamics
- 与 trophodynamics 相关的网络例句 [注：此内容来源于网络，仅供参考]
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When these parameters surpass a certain value, the system cannot appear the limitcycle. Through the various parameters\' changing, it demonstrates the forming process of the dissipative structure. Thus it show the dissipative structure\'s characteristic of the trophodynamics predation model and point out the ecological significance of the various parameters in the model.On the fourth chapter, the spruce aphides and its predator model is a predator model.
第四章，以两个捕食者作用于同一食饵的竞争关系模型为例，应用微分方程定性理论，对捕食模型中存在极限环的情况进行了讨论，用MATLAB在相平面上模拟出系统的极限环，此时该体系状态的发展呈现周期振荡趋势，从而揭示出营养动力学为基础的捕食模型耗散结构特征。
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Based on the trophodynamics in marine ecological system and the primary productivity data from the fishing grounds of east Fujian during the marine investigation in Taiwan Strait, the concentration of organic carbon of phytoplankton and 52 species of main economic fishes were determined, and the nutritive level of the fishes and ecological efficiency in the fishing ground were calculated. The ecological carrying capacity of fish resources was 630800 tons using Cushing model and dynamics model.
闽东渔场位于26000'一27010'N、1 19050'一125000'E，北邻浙江温台渔场，南接台湾海峡，属亚热带海第2期林法玲：闽东渔场鱼类资源生态容量和最大可持续开发量域，鱼类资源丰富，系我国南方海域重要渔场之一。20世纪80年代以来，闽东渔场鱼类资源呈现衰退现象，有关鱼类资源生态容量和可持续开发量是渔业生产和管理部门所关注的问题。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。