种群调节是种群生态学的一个核心问题。
Population regulation is one of the most important problems in population ecology.
现在必须研究在种群调节中内生性种群过程起重要作用的可能性。
Now the possibility must be investigated that endogenous population processes are important in population regulation .
现在必须研究在种群调节中内生性种群过程起重要作用的可能性。
Now the possibility must be investigated that endogenous population processes are important in population regulation.
双性不育优于单性不育，同时探讨了大仓鼠种群调节中的关键因子。
The key factors in population regulation of the hamster were also discussed.
以放牧生态系统为例，本文分析了系统组分种密度相关的种群调节中的正、负反馈和机制。
Taking the grazing ecological systems as an example, the positive and negative feedback of the density dependence population regulations was analysed.
在调节种群增长方面，它与捕食一起是最重要的密度制约因子。
Together with predation, it is the most important density-dependent factor in regulating population growth.
寄生蜂是调节寄主害虫种群数量的一个重要因子。
Parasitoids is an important factor in regulating insect population dunamics.
本文着重阑明了树木与植食性昆虫的互相策略，诱导抗性的生物化学基础以及诱导抗性在调节植食性昆虫种群中的重要性。
In this paper have been discussed the mutual countermeasures between trees and phytophagous insects, bio-chemical basis of induced resistance in regulating phytophagous insects population.
林地鼢鼠种群是通过雌雄鼠的数量关系来调节种群繁殖。
The population breeding was regulated by the quantitative relationships between female and male in the woodland.
养殖过程中使用杀菌消毒剂后，隔1 - 2天使用本产品，补充有益微生物种群，调节水体有益菌相和藻相的平衡。
After sterilizing with disinfectant for 1-2 days, using this product can add beneficial microorganisms populations, regulate the balance of bacteria and algae in water body.
对小型哺乳动物种群数量周期性波动的外因调节假说进行介绍，概述了食物假说、捕食假说和复合因子假说的主要内容和研究进展。
This paper reviewed the new progress in the theory and hypothesis of population regulation in small mammals, focusing on the food hypothesis, predation hypothesis and multi-factorial hypothesis.
于是资源与种群增长构成一个反馈调节环。
Therefore, the resources and population increase form a feedback loop.
该算法的交叉率随种群中的最大适应度值和每代种群的平均适应度值的变化而自动改变；变异率随适应度值和进化代数的变化而自动调节。
It applies adaptive crossover rate, which is changed with the maximum colony adaptation degree and the average colony adaptation degree of each generation.
该算法的交叉率随种群中的最大适应度值和每代种群的平均适应度值的变化而自动改变；变异率随适应度值和进化代数的变化而自动调节。
It applies adaptive crossover rate, which is changed with the maximum colony adaptation degree and the average colony adaptation degree of each generation.
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