1) artificial disturbance
人为扰动
1.
Influences of artificial disturbance degrees on the contents of Glycyrrhizic acid and flavonoids in different parts of Glycyrrhiza uralensis;
人为扰动对乌拉尔甘草不同部位甘草酸与总黄酮含量的影响
2.
The effect factors of forest soil respiration and the research progress of the influence of artificial disturbance on forest soil respiration were discussed.
介绍了森林生态系统土壤呼吸的研究意义,森林生态系统土壤呼吸的影响因素,人为扰动对森林土壤呼吸影响的研究进展。
3.
With artificial disturbance, the soil conditions often occurred some changes on soil physicochemical property, especially, on soil water contents which.
野生甘草、半野生甘草和栽培甘草的营养体、无性生殖和有性生殖器官的形态学性状差异比较明显，与人为扰动程度密切相关。
2) human disturbance
人为扰动
1.
The ecology response to climate changes and human disturbance in the source regions of the Yellow River
黄河源区气候变化及人为扰动的生态响应
2.
Therefore, it is very important for better understanding influence factors of soil aggregate stability under human disturbance.
稳定的土壤团聚结构对种子发芽、根系发育、作物生长以及有机碳保护有着重要的影响,深入了解人为扰动下土壤团聚体稳定性影响因素有着重要意义。
3) interfere of human activity
人为活动干扰
4) human disturbance
人为干扰
1.
Fluctuations and patterns of desert rodent communities under human disturbance: the fluctuating tendency and the sensitive response of their population;
人为干扰下荒漠啮齿动物群落格局——变动趋势与敏感性反应
2.
Cryptocarya chinensis spatial distribution patterns caused by human disturbance in the lower subtropical monsoon evergreen broad-leaved forest;
人为干扰下南亚热带厚壳桂种群分布格局(英文)
3.
Forest community species diversity and influence of human disturbance in Mountainous Area of the West Lake in Hangzhou,East China;
西湖风景名胜区森林群落物种多样性及人为干扰的影响
5) human-caused disturbance
人为干扰
1.
The ecological environment of waterlogging land in Four-lakes Region was influenced both by natural and human-caused disturbance factors.
自然与人为干扰共同作用于四湖地区的涝渍生态环境。
2.
From the point of synecology,3 different forest types of human-caused disturbance were investigated.
调查了3种不同人为干扰程度的林地类型,分析比较了其乔木层优势度、优势种数目,木本植物的物种多样性、物种丰富度和大小结构等群落学指标。
6) anthropogenic disturbance
人为干扰
1.
Negative ecological effects caused by anthropogenic disturbance:A research review.;
人为干扰下的生态负效应研究综述
2.
Soil fractal features of subalpine coniferous forests in Western Sichuan under different anthropogenic disturbances.;
米亚罗地区亚高山针叶林在不同人为干扰条件下的土壤分形特征
3.
Impacts of anthropogenic disturbance on tree species composition and diversity of Fungshui forest community in Dongguan City of Guandong Province.
人为干扰对风水林群落树种组成及多样性的影响
补充资料：持续作用扰动下的稳定性
持续作用扰动下的稳定性
stability in the presence of persistently acting perturbations
持续作用扰动下的稳定性仁咖幽勺协触脚。曰盆兄of哪滋众团ya曲嗯碑由州画d.侣;yc功后”.即c几np班noc”-，。110朋益e拍即IO四，x BO3M脚日e朋，xj 初值问题 交=f(x，r)，x(t。)二x。，x任R”(*)之解x。(t)(t)t。)的如下性质:对每一个。>O都有一个占>O使得对每一个适合不等式!y。一x。}<占的夕.，，以及满足以下条件的每一个映射g(x，:): a)在集合 E:={(x，t):t)t。，{x一x。(t)i<。}上g和g，都连续; b)s印(:，，)。::}夕(x，t)一f(x，t)I<吞，初值问题 乡=g(y，t)，夕(t。)=夕。，夕任R”的解y。(t)对一切t)屯，有定义且满足不等式 suP}y。(t)一x。(t)}<￡. r)t。 Bohi定理(B心h】t玩”~)(【11).设初值问题(，)有解x(t)，t)t。，满足以下条件: 幻f和fx对某个。。在瓦。上连续; 刀)s叩。，:。4}人(x(t)，t)}}<+的: 下)映射f在点(x(t)，‘)，t)t。，处对x可微，这个可微性对t)t。是一致的，即 s叩兴}厂(二(‘)+，，，)一f(、(。)，:)+ ，》万。}y} 一人(x(t)，亡)yl~0当y一，O时.这时，为使初值问题的解在持续作用的扰动下为稳定，必要与充分条件是:方程组又=厂(x，t)沿解x(t)的变分方程(粗血tiona】叹业tio璐)组的上奇异指数(见奇异指数(s泊g止汀exponents))小于零. 若f(x，t)不含t(即自治系统)，而解x(t)为周期的或常值的;或者f(x，t)对t有周期而解x(0也有相同的(或可公度的)周期或者常值，则:l)Bohi定理中所陈述的一致可微性条件是多余的(它可从定理的其他条件导出);2)方程组交=f(x，t)沿解x(t)的变分方程组的上奇异指数可以有效地算出来.【补注】持续作用扰动下的稳定性也称为持续扰动下的稳定性(stab正ty Under pelsis招ni perturhatio幻)或全稳定性(total stabiljty).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条