According to the approximate linear relation between the transient energy margin of the severest fault and the variation of generators ' active outputs and sensitivity of transient energy margin to generators ' active outputs the active outputs of generators are adjusted .

依据最严重故障的能量裕度与发电机有功出力 变化量的近似线性关系及能量 裕 度对发电机有功出力的灵敏度来调整发电机的有功出力。

Nick what 's the difference between initial margin and variation margin ?

原始保证金和 变动 保证金有什么区别吗？

Soil moisture distribution and dynamic variation of the soil water storage were monitored . The results showed that soil moisture increased with distance from the gully margin in the range of 0 to 500 ? cm which proved the external existence of side evaporation at gully cliff .

结果表明：土壤水分在距沟 缘 500cm范围内随距离增加而增加，证明了沟壁侧面蒸发作用的客观存在；

The second is leaf comprehensive characters including leaf shape leaf shape variation petiole young leaf color leaf margin color .

第二，叶的特征，包括叶形、叶型 变化、叶柄的有无、幼叶颜色、叶 缘颜色；

The variation which is significant is the measured figures in the following groups : vertical change of the hyoid bone the distance from the posterior margin of tongue base to the posterior pharyngeal wall and the pharyngeal airway area .

各测量项目显著 差异的有：舌骨垂直方向变化，舌根 后缘至咽后壁的距离，后气道间隙面积。

The Tidal Cycle Variation Characters and Factors of Nitrogen and Phosphorous Nutrients in the Margin of Chong Ming Salt Marsh

崇明东滩盐沼 前缘带上覆水氮、磷营养盐潮周期 变化特征及其影响因素

Variation of stress computed from GPS measurement in northeastern margin of Qinghai-Tibet Plateau China

应用GPS观测青藏高原东北 缘应力场 变化

Besides the steady margin for the variation in process and equipment the dynamic margin for control must be considered and its size is related to the control system .

在考虑工艺和设备条件 变化留出的稳态裕量之外，需要留出一定的动态 裕 量以满足过程操作和控制的要求，其大小与控制系统设计有关。

According to the variation of the eigenvalues of the Jacobi matrix with the variation of parameters the stability margin of the periodic solutions is defined .

为研究转子系统定常周期运动的 稳定 裕 度，本文首先研究非线性非自治系统周期解的稳定性，根据其Jacobi矩阵的特征值随参数 变化的情况，定义定常周期解的 稳定 裕 度。

Simulation results demonstrate that under SSS TTT and FFF conditions the variation of the unity-gain bandwidth of the PLL is only 12 % and the variation of phase margin is only 0.1 degree .

仿真结果显示，在SSS、TTT和FFF三种条件下，环路带宽变化仅为12%，相位 裕 量只 变化0.1°。

By using the voltage stability analysis with uncertain factors of load variation considered in computation more information about the critical point and the minimal power margin will be offered .

考虑负荷 变化随机性的电压稳定分析方法可以更多地计及不确定因素，提供更丰富的电压稳定临界点以及最小功率 裕 度的信息。

Existing slope break zone from surrounding sags to major uplift and gradual variation of relief by features of sag → slope → platform margin break zone → inner-platform topographic low and ramp → swell .

周缘凹陷到隆起主体之间存在坡折区，在由南、北、东向中央隆起地貌渐高的同时，地貌具有凹陷→斜坡→台 缘坡折区→台内洼地、缓坡→凸起 渐变的特征。

By the solid example reasons that measuring errors because of minimal variation of cross-coupling matrix are cleared and methods for calculating the upper limit of error margin are described .

通过具体的计算实例，阐明了因耦合矩阵的 摄动，引起测量 误差上限的计算方法。

The Analysis on Distribution Features and Sedimentary Facies variation through Middle Ordovician to Lower Silurian Sequences in the Northwestern Margin of Tarim Basin from Remote Sensing Data

塔里木盆地西北 缘中奥陶统、下志留统的空间分布特征及其 相变的遥感分析

Objective To study the variation of c-fos expression in wound margin tissue of human chronic wounds before and after treatment of vacuum-assisted closure .

目的研究人慢性创面在封闭负压引流治疗前后，创 缘组织中原癌基因c-fos表达的 变化，从而进一步阐明封闭负压引流促进慢性创面愈合的机制以及慢性创面的成因。

Variation of REE Content in the Shear Zone and Its Mechanism & Exemplified by the Ductile Shear Zone on the Northern Margin of Jiaonan Orogenic Belt

稀土元素在剪切带中的含量 变异及 变异机制&以胶南造山带 北缘剪切带为例

It is believed that such a migration of strikes represents the concordant variation of in-situ maximum horizontal principal stress which might reflect the changes of subducted velocity of oceanic crust near continental margin .

这种 变化代表着原地最大水平主压应力的同向 变化，应反映邻近陆 缘洋壳俯冲速度的变化。