Slope bioengineering has significant protective effect on ecology environment, yet vegetation has complex effect on the stability of slope, it plays both positive and negative roles.
植被护坡在改善生态环境方面的作用是显著的，但植被对坡体稳定性的影响却很复杂，积极与消极的作用共存。
According to the General Stability Criterion, a closed loop system will be stable if and only if all the roots of the characterized equation have negative real parts.
根据总体稳定性判据，闭环系统稳定，当且仅当所有的特征方程的根有负面真正的部分。
With the research on the stability of the CPL's negative impedance characteristic, this paper proposes guarantees for the power system to be stable, which are confirmed by the simulation result.
通过研究分析了恒功率负载负阻抗特性的稳定问题，提出确保电源系统稳定的方法，仿真结果验证方法的可行性。
The realization of the negative damp zero network in the onboard computer, and the repeatability and stability were verified in the test.
证明了箭机对负阻尼零点网络的可实现性，以及测试的重复性和稳定性。
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
Unsaturated soil condition which give rise to negative pore pressure is important in evaluating the stability of geotechnical structures such as slopes, retaining walls, excavations and foundations.
在非饱和土条件下产生的负孔隙水压力（基质吸力）对于预测如边坡、挡土墙、挖方工程、基础工程之类的土石结构的稳定性十分重要。
The positive part and negative part of the real roots can be used to judge the stability of the system.
由实部根轨迹的负与正可以判定系统的稳定性。
Based on MHD ballooning mode stability theory, marginal stability regions of the plasma ballooning mode in negative magnetic shear configuration are calculated in this paper.
根据MHD气球模稳定性理论，计算了负磁剪切位形中等离子体气球边缘稳定性区域。
Interaction may cause transitions to negative energy states, so that there is no hope for a stability of matter within that framework.
相互作用有可能引起粒子态转化为负能态，因此在其框架内人们不能够指望物质是稳定的。
The high negative potential of lithium does make corresponding demands on the reduction stability of the electrolyte.
锂的负电位高，使得对电解质的还原稳定性需提出相应的要求。
This paper analyses the influence of end constraints, side displacement, positive and negative symmetric buckling form on integral stability of gantry crane's supporting legs.
本文分析了门式起重机腿端约束，侧移及正、反对称屈曲形式对支腿整体稳定性的影响。
The negative pressure for under balanced perforating is a key parameter in well perforating design. It can directly influence the productivity and borehole stability of a perforated well.
负压射孔技术的关键参数之一就是负压差的大小，它直接影响油井射孔完成后的产能以及孔眼的稳定性。
An operational amplifier that can maintain stability close to its negative, or ground, rail is an important asset.
运放维持接近其负极、地或轨的稳定性是很重要的指标。
Steam induced forces on labyrinth seal parts in turbomachinery have negative effects on the stability of rotor system.
透平机械中汽流激振力主要产生于各种形式的密封处，其对转子系统的稳定性有不良影响。
As a practical example a frequency response and stability judgement of an amplifier with negative feedback are chosen to show the use of this method.
本文还选择了频率应和负反馈放大器稳定性判别中的一些实际问题，作为这种方法应用的实例。
Numerical examples show that the negative semi-definite matrix condition of exponential stability and the controller design method are feasible.
数值算例说明指数稳定的半负定矩阵条件和控制器设计方法是可行的。
A method for stability analysis of negative feedback Amplifiers by using microcomputer is presented in this paper. The computer program in BASIC Language is proposed.
本文介绍了用计算机分析负反馈放大器稳定性的方法，给出了用BASIC语言编写的计算程序。
On the premise that the system there exists non-negative weak solution, the paper further discusses the semi-stability of the system solution using the theory of ordinary differential equations.
在该系统非负弱解存在的基础上，利用常微分方程理论，进一步讨论该系统解的半稳定性。
Because of uncontrollability of explosive results, residual mud zone in embankment bottom would have negative impacts to stability of riprap embankment.
由于爆破法的效果难以准确控制，使得地基可能存在未排出淤泥层，对堤坝的稳定性产生很大影响。
The intermittent and random fluctuation of wind speed result that wind power grid-connected power fluctuates largely, which has a negative influence to stability and economy of power grid operation.
由于风速具有随机波动性，因此风力发电并网功率波动很大，这对电网运行的稳定性及经济性带来负面影响。
For a long time, dividend policy of listed company is lack of continuity and stability in our country, which has produced seriously negative function.
长期以来我国上市公司的股利分配很不规范，缺乏连续性和稳定性，短期行为严重，对投资者市场以及上市公司本身都产生了严重的影响。
For a long time, dividend policy of listed company is lack of continuity and stability in our country, which has produced seriously negative function.
长期以来我国上市公司的股利分配很不规范，缺乏连续性和稳定性，短期行为严重，对投资者市场以及上市公司本身都产生了严重的影响。
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