1) weak persistence
弱持久
1.
In the paper the random disturbing is considered in the determined models ,and the sufficient conditions of dissipation and weak persistence of the system are obtained.
讨论了随机扰动对梯度器中竞争模型的影响 ,得到系统耗散和弱持久的充分性判
2.
Using the theorem on discrete semi-dynamicl system and the stability results on monotonous and continuous operator,we obtained the sufficent conditions for uniform boundness,strong and weak persistence and permanence of a discrete system with age-structure subdivided into young and adult population approximately.
应用差分方程的比较原理、离散半动力系统的持久性定理和单调连续算子的三分稳定性获得了一类捕食者具有年龄结构 ,即将捕食者近似地分为幼年和成年种群的离散捕食系统一致有界、弱持久、强持久和永久持久的一组充分条件 。
2) stress rupture
持久
1.
Microstructure evolution and fractographs of DZ621 nickel-base superalloy during stress rupture test in 1100℃/60MPa was investigated by SEM.
本文用扫描电镜研究了DZ621镍基高温合金在1100℃/60MPa持久过程中的组织变化及其断裂后的断口形貌。
2.
The stress rupture equation with high reliability is an important basis in the design of the mechanism working in high temperature environment.
高可靠度的蠕变持久方程是高温机械设备设计和寿命评估的重要依据 ,但是 ,根据现行方法得出的蠕变持久可靠性方程无法满足预定的置信度和可靠度的要求 ,导致其预测的蠕变持久强度和使用寿命过大 ,使高温机械在实际使用中偏于危险。
3.
Long tempering time may promote the precipitation of Laves phase during low-stress rupture.
研究了不同回火时间对T91钢625°C下持久性能及形变前后组织的影响。
3) lasting
[英]['lɑ:stɪŋ] [美]['læstɪŋ]
持久
1.
The author put forward a new kind of lasting foamed hair dye colorant -hair dye mousse, this new kind of colorant can dye, finalize, nurse and beautify hair.
综合染发剂美发和摩丝护发、定型的特点,针对目前一般染发剂的不足,研制开发出一种具有染发 及头发定型、护理多重功能的新型泡沫状持久性染发剂——染发摩丝,并对染发摩丝的主要原料、配方选择、 制备工艺等作了研究。
4) persistence
[英][pə'sɪstəns] [美][pɚ'sɪstəns]
持久
1.
We discuss persistence, and existence and global stability of nonnegative equilibria for the system.
讨论了系统的持久性，非负平衡点的存在性和全局稳定性，获得了系统持久与一致持久的条件。
5) permanence
[英]['pɜ:mənəns] [美]['pɝmənəns]
持久
1.
Permanence for n-species Predator-prey Discrete Chain Systems of Lotka-Volteera Type;
n种群Lotka-Volterra离散捕食链型系统的持久性
2.
Permanence and Asymptotic Behavior of the Nonauto-nomous Lotka-Valterra Competitive System with Impulses
具有脉冲效应的非自治Lotka-Valterra竞争系统的持久性和渐近行为(英文)
3.
We first correct a predaor-prey model proposed by Lin Guojian and Hong Yiguang[1],after that,by applying the comparison theorem of differential equation,a set of sufficient condition is obtained which ensure the permanence of the system,we also investigate the extinction of the predator species.
首先修正了文[1]提出的一类三种群功能性反应捕食-食饵模型,其后利用微分方程比较原理得到了一组保证该系统的持久性以及捕食者种群的绝灭性的充分性条件。
6) permanence
[英]['pɜ:mənəns] [美]['pɝmənəns]
永久持久
1.
Using the comparion theorem of difference equation, persistence theorem of discrete semi-dynamical system and stability of monotonous operator, we gain the boundary, uniform persistence and permanence of the system.
应用差分方程的比较原理 ,离散半动力系统的持久性定理以及单调算子的三分稳定性 ,获得系统的有界性 ,一致持久性 ,永久持久性 。
2.
Using the theorem on discrete semi-dynamicl system and the stability results on monotonous and continuous operator,we obtained the sufficent conditions for uniform boundness,strong and weak persistence and permanence of a discrete system with age-structure subdivided into young and adult population approximately.
应用差分方程的比较原理、离散半动力系统的持久性定理和单调连续算子的三分稳定性获得了一类捕食者具有年龄结构 ,即将捕食者近似地分为幼年和成年种群的离散捕食系统一致有界、弱持久、强持久和永久持久的一组充分条件 。
补充资料：弱弱联合
弱弱联合是指两个总体实力都不强但都拥有自己独特的某方面优势的企业之间进行联合，以形成较强的实力。弱弱联合，弱企业之间优势互补，可以形成整体实力变强的效应。
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