查询词典 quasi-expectation

Constant value of vena contracta coefficient has been employed in the well-used quasi-steady models for computing the nonlinear acoustic impedance of the orifice. However, this nonrealistic assumption degrades the accuracy of the theoretical models.

常用的小孔声学非线性效应的准定常模型采用不随声强变化的vena收缩系数，这种不合实际的假设影响了非线性声阻的计算精度。

On public goods theory, professional competitive sport service goods has certainly nonrival and exclusive features in consumption is belong to quasi-public goods category.

根据公共产品理论，职业竞技体育服务产品在消费上，具有一定程度的非竞争性和排他性，属于准公共产品范畴。

First, from the point of view of production and management, the importance for developing TTU is pointed out.the status in quo of technology,The direction of progress,The demand of practical and fundamentality in Distribution Automation are analyzed for Transformer Terminal Unit. The function of equipment and technical specification which meet demand of practical duty are indicated; Second, the scheme of synchronous sampling,quasi-synchronous sampling,non-integer cycle sampling,nonsynchronous sampling and algorithm are analyzed in detail. Then,the scheme of nonsynchronous sampling and multi-chunnel is ascertained. Moreover, the method of disposal sampling data for increasing precision which calculate the number of sampling per cycle dramatic by searching zero is introduced. The technique for analyzing data,stating data,storage data for Electrical Power Quality and control scheme for compensation capacitor are explained also. Finally, The scheme and structure of hardware,key circuitry using 80C196 singlechip,the scheme and ideology of software and flow chart of part software is introduced simply.

文中首先从电力生产、管理角度出发，指出了研制配变监测终端的重要意义，分析了配变监测终端的技术现状、发展趋势、现场需求以及在配网自动化中的基础地位，提出了满足实际运行要求的装置功能、技术要求；然后对目前常用的同步采样、准同步采样、非整周期采样、非同步采样的方案和算法进行了详细的分析、比较、筛选，确定了非同步采样和顺序采样的方案，并提出了一种寻找过零点从而动态计算每周采样点数的提高精度的采样数据处理方法，文中对装置中电能质量分析、统计、存储的方法以及补偿电容器的控制方案和投切原则也做了重点说明；最后，对应用80C196单片机系统研制的装置的硬件方案、结构以及关键电路和软件设计思路、方案、部分主要软件模块的流程图做了介绍。

If the geoid or quasi-geoid model is given, GPS can be used directly to determine orthometric height or normal height, which can take the place of the traditional geometric leveling and make the seperation mode of plane control network and elevation control network in traditional geodesy become a history.

在高精度、高分辨率大地水准面模型的支持下，利用GPS技术可以直接测定正高或正常高，从而取代传统繁琐的水准测量方法，使得平面控制网和高程控制网分离的传统大地测量模式成为历史。

The bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. The bifurcation diagrams, maximum Lyapunov exponent diagrams, Poincaré maps, phase plane portraits, trajectories of journal center, time-history curve, amplitude spectra diagrams of the rotor motion are used. The convert and evolution course of periodical response, quasi-periodical response, double-periodical bifurcation, chaos of the system response is analyzed.(3). It is deduced that the general differential equation of bending-torsional-pendular coupling vibration about rotor with the gyroscopic moment. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced.

2建立了具有非线性刚度的转子系统在非稳态非线性油膜力作用下的径向碰摩动力学微分方程，并应用含高阶余项的非线性动力方程的线性化数值法研究了此类系统响应的复杂动力学行为，利用转子响应的分岔图、最大Lyapunov指数曲线、Poincaré截面映射、时域波形、相轨线、轴心轨迹、幅值谱等图形分析了系统响应的周期运动、拟周期运动、倍周期分岔、混沌等运动形式的转化与演变过程，重点研究了非线性刚度、转子转速、偏心质量等系统参数对碰摩故障转子系统的分岔和混沌行为的影响。

The advantages and disadvantages of balanced truncation, singular perturbational method and generalized singular perturbation are analyzed. A quasi-generalized singular perturbational model reduction method is proposed.

分析了平衡截断法、平衡奇异摄动法和广义平衡奇异摄动法存在的优缺点，提出了一种近似广义奇异摄动模型降阶算法。

He differs from most other Spanish directors inasmuch that he does not ingratiate himself on pet themes such as national foibles or recent past history, but ventures out into other spheres and has no fears about embarking into the phantasmagorical, psychological or even quasi-surrealist.

他与其他大部分西班牙导演不同，他不会把自己局限于那些大热的题材中，譬如，国家当前存在的弊端，或者是近期发生的什么重大事件之类的，来拍自己的电影。他会选择一些其他题材，比如科幻题材，心理题材，超现实主义题材来挑战自己。

I am a quasi-months pregnant mother, recently it seems a bit cold, the main symptom is pharyngodynia, has very slight cough, have sputum, sputum was blue, and occasionally play嚔spray.

我是一个怀孕个月的准妈妈，近来好象有点感冒，主要的症状是咽痛，有很轻微的咳嗽，有痰，痰呈青色，偶尔打喷嚔。

In order to simulate phenomenologically the process of transformation from fuel injection rate to heat release rate, a quasi-dimensional combustion model has been established, which includes fuel-air mixing, droplet evaporation, ignition delay, heat release and heat transfer.

在只有喷油规律的条件下，本文建立了分韦柏放热规律模型，通过对喷油规律依次分段，各分量按各自韦柏规律燃烧，实现了从喷油规律对放热规律的直接快速预测。

Gnostics see her as one of the aeons, one of the quasi-deities who live in the ethereal realm known as the pleroma.

诺斯替教徒把她看成是其中一位永世万古，其中一位住在天上领域的类似神性，就是大家所知的佩雷若玛。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。