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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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.
万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。
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He unstepped the mast and furled the sail and tied it.
他拔下桅杆，把帆卷起，系住。
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Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.
因此，积极推进利率市场化改革是当前我国金融改革的重要任务之一。