生态模型 meaning in English
ecological model
Examples
- It is expected that changing land use / land cover pattern will be one of the driving forces of environment change at regional scale superimposed on the natural changes at the time scale from decade to century
本文运用遥感、 gis技术和生态模型方法,以内蒙古锡林河流域草原生态系统为例,研究我国北方干旱/半干旱草原地区土地利用/土地覆盖变化和碳循环问题。 - In this paper , we consider several classes of common ecological models such as predator prey model and epidemic model , and obtain uniform persistence and stability of the solution or the periodic solution by constructing appropriate lyapunov functional and using eigenvalue analysis to model ' s linear similar system at the equilibrium
本文所研究的问题涉及到生态系统中有关捕食-被捕食系统、流行病模型等几个常见的生态模型的定性分析,所采用的研究方法是通过构造合适的lyapunov泛函以及对模型的线性近似系统在其平衡态处的特征根分析,获得模型解或正周期解的一致持久和稳定的渐近性质。 - The investigation on natural anticariogenics has become one of the highlights now . chinese scholars have made great progresses in this aspect . they established oral ecosystem model to evaluate natural anticariogenics , studied the pharmacodynamics of effective constituents and their anticarious mechanisms , and standardized screening experimental methods . the review is to overview the progresses of natural anticariogenics
天然药物防龋是目前研究的热点,我国学者在天然药物防龋研究方面取得很大的进展,建立了药物防龋效果评价的口腔生态模型,对防龋天然药物进行有效成分药效学研究和防龋机制等系统研究,规范了药物防龋筛选实验方法。 - Estimation of the fraction of green vegetation using remote senseing data may be a more efficient approach . in this paper , based on the fcd mapping model , the fraction of green vegetation in beijing mountain area was calculated using the landsat - tm data ( with two digital images taken in 1994 and 1999 , respectively )
探讨利用遥感资料估算大面积的植被覆盖率的方法已成为当前建立全球及区域气候、生态模型的基础工作之一,而且准确、快速地获取植被覆盖状况信息也是区域生态恢复和建设的关键与重点。 - In chapter 2 , the almost periodic lotka - volterra model with m - predators and n - preys is considered . by constructing suitable lyapunov function , some sufficient conditions are obtained for the existence and global attractivity of a unique positive almost periodic solution of this model . our results generalize those ones of [ 18 , 19 , 23 26 ]
第二章考虑了一个含有m个捕食者种群和n个被捕食者种群的概周期lotka volterra生态模型通过构造适当的lyapunov函数,得到了该系统存在唯一全局吸引概周期解的一些充分条件,推广和改进了文献[ 18 , 19 , 23 - 26 ]的结果。