矩

A matrix of this sort occurs, for example, in electric networks when mutual inductance is present.

例如，当电网络中有互感时，就会出现这种阵矩。

Special functions established in different reference frames served as the reference model and the adjustable model of MRAS, and the steady-state electric torque considering to be known and thereby employed to achieve on-line identification of the induction motor mutual inductance.

该方法采用一种特殊形式函数，将该函数同时建立在2种不同的参考坐标系下，分别作为MRAS的参考模型和可调模型，同时利用稳态电磁转矩并将其作为已知量，实现了对感应电机励磁互感的在线辨识。

Methods Estradiol-randomly methylated β-cyclodextrin (E2-RAMEB) solution, and 70% ethanol solution of estradiol and estradiol nasal spray in 3 different doses 0.16、0.48、1.60 mgkg^(-1 were nasally administrated to rats, respectively. Non-compartment statistical moment method was used in pharmacokinetics study.

对大鼠鼻腔给予雌二醇-随机甲基化β-环糊精包合物的生理盐水溶液、雌二醇乙醇溶液和3种剂量的雌二醇鼻腔喷雾剂，用非隔室模型统计矩法进行了药物动力学研究，并与静脉注射雌二醇相比较计算绝对生物利用度。

Silicon dioxide ; inductively coupled plasma atomic emission spectrometry ; fluorite ; nebulizer and torch resistant to hydrofluoric acid

二氧化硅；电感耦合等离子体原子发射光谱法；萤石；耐HF腐蚀的ICP雾化器和矩管系统

We obtain the risk process involved in this model,the statistical properties of the surplus process,and statistical features of the claim numbers and the probability distribution of the total amount of compensation.The three types of business of the risk model is given when the number of claims obey Poisson distribution and negative binomial distribution.We make a comparison between the risk model built in the thesis and the classic risk models with independent claim numbers when the amount of claims obey Weillbull distribution and Exponential distribution.The results have a good practical significance.

其次，考虑不同险种间的相互关系，建立了一种含有主副理赔的风险分析模型；借助随机过程和经典风险理论，对该风险模型所涉及的风险过程、盈余过程的统计特性以及理赔总额的概率分布、数字特征和矩母函数进行解析研究，给出了主理赔次数服从泊松分布和负二项分布的这种风险模型的具体实例，并在理赔额变量服从Weillbul分布和Exponential分布的情况下，把文中所建风险模型和理赔次数相互独立的风险模型作了比较，所得结果有很好的现实意义。

During the work process of electrical screw press, motors loaded with large inertia must alternate between positive and negative rotation frequently, and it is necessary to realize a quick and steady torque output and to avoid an abnormally high temperature rising.

电动螺旋压力机要求电动机在大惯量负载条件下、频繁起动时能够快速实现恒定的转矩输出，同时避免过高的起动电流，这取决于先进的交流调速方法的运用。

In fact, negative skewness means that the risk for a substantial loss is bigger than the chance of a substantial gain. A high level of kurtosis means that the asset has a high probability of extreme events.

负偏度的存在使得资产收益下降的可能性大于上升的可能性；超出峰度的存在使得极值事件比在正态条件下更容易发生，从而增加风险，将其统称为高阶矩风险。

The ratio between the net moment and net force on a tooth with reference to the center of resistance determines the center of rotation.

力偶矩与力的比值和阻抗中心的关系决定了牙齿的旋转中心。

After achieving radial network structure planning, the matrix of path of plan area was calculated.

在辐射状网架规划完成后，计算待规划区域的路径矩矩阵，该矩阵反应了配电网联络线的建设费用。

This method can be used to solve both linear and nonlinear staticand dynamic problems. Astringency of Neumann series expansion to solve nonlinearproblems is proved and a method to improve the convergence and enhance efficiencyis presented.

算例表明了该方法具有较高精度和良好的应用潜力。2 结构可靠性研究在最大熵法中需求解的随机变量的矩约束积分方程组具有高度非线性，通常的非线性方程组的求解方法不能收敛。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。