A new method that combines the concept of semi-invariant and Gram-Charlier expansion theory is proposed.
提出结合半不变量和Gram-Charlier展开级数的方法快速且准确地计算支路潮流的概率密度函数(PDF)和累积分布函数(CDF)。
A probabilistic model of steady-state stability based on cumulants can calculate probabilistic load flow,at the same time,it can use classical stability criterions to give the probability index of power system steady state stability by convenient calculation of the random variables.
提出一种基于半不变量的随机静态稳定模型,能够在计算系统概率潮流的同时,应用静态稳定性分析的经典判据,通过对随机变量的简单运算直接给出所研究运行方式失去静态稳定的概率。
Error Analysis of the Probabilistic Load Flow Based on Cumulant Method
基于半不变量法的随机潮流误差分析
It is not necessary to wait until half of a sample has decayed in order to measure the halflife.
不必一直等到样品衰变一半之后才测量它的半衰期。
The invariant tensor under projective transformations of semi-symmetric metric-recurrent connections is obtained.
给出了半对称度量循环联络在射影变换下的不变张量。
This lattice is a Semi-topological invariant.
这个格是拓扑空间的一个半拓扑不变量。
Plasma homocysteine and serum C-reactive protein levels in patients with different glucose intolerance
不同糖耐量患者血浆同型半胱氨酸与血清C反应蛋白的改变
Investigation on the Stress and Strain Distribution of Ge/Si Semiconductor Self-Organized Quantum Dots;
Ge/Si半导体量子点应力应变分布研究
Study on InGaAs/GaAs Strained Quantum well Lasers;
InGaAs/GaAs应变量子阱半导体激光器的研究
DEA model based on semi-discretionary variables;
一类基于半自由处置变量的DEA模型
Study and Development on the Controller of Semi-automatic Variable Rate Fertilizer Applicator
半自动变量施肥控制器的研究与开发
However love will never tolerate half-heartedness and fickleness.
然而，爱情绝不会容忍半心半意和变化无常。
chromatic semitone
变化半音, 花半音
but as quantised particles with electronic properties being size- dependent and molecular rather than solid - state in nature.
整体上也不再具有半导体性质，而是成了一种量子化的粒子和分子，其电子特性随其尺寸而变。
Acute Changes of Facial Nucleus Pathologicle and Expressions of Postsynaptic Density Protein 95 Following Facial Nerve Injury of Different Extent: Semi-Quantitative Analysis;
不同程度面神经损伤急性期面神经核病理变化与突触后密度蛋白95表达：半定量分析
Variation of Soil Moisture in Arid and Semi-arid Areas Under Different Vegetations and the Ways of Ecological Construction
干旱—半干旱地区不同植被条件下土壤含水量变化及植被建设途径分析
Methods for the assessment of departure from roundness--Measurement of variations in radius
GB/T7235-1987评定圆度误差的方法半径变化量测量
Properties of preinvex and semistrictly preinvex functions and their application
预不变凸、半严格预不变凸函数的性质与应用
A quantity whose value remains unchanged is called a constant.
其值不变的量称为常量。
An invariant quantity, function, configuration, or system.
不变量不变的数量、作用、布局或系统