查询词典 coordinates

Glunarclock - glunarclock - Glunarclock displays the current phase of the Moon as an applet for the gnome panel and provides sundry astronomical data such as clock functions, rise and set times and current coordinates for the moon.

glunarclock在一个为gnome面板提供的applet中显示当前的月相，提供各种天文数据，比如云、雨情况以及当前月亮的座标。

By using this method, the angular frequency, amplitude, initial phase angle, decay constant of each component in transient voltage and/or current waveforms can be precisely extracted. Also, all other kinds of transient procedure can be analyzed by this method. Thirdly, a new definition of generalized instantaneous reactive power and generalized instantaneous reactive current in dq0 coordinates under any nonsinusoidal and unbalanced three-phase circuit is proposed for the first time. The detection and compensation method for different instantaneous reactive currents are also concerned.

本文首先提出了用于快速高精度频谱分析的一种改进快速傅立叶变换方法，该法具有速度快、精度高、抗混迭、不受采样定理约束、可以分析出谐次大于N／2的频谱系数等特点，可方便地应用于电力系统谐波分析及其它各类频谱分析；然后提出了基于非线性最小二乘优化法的电力系统暂态波形分析方法，可准确求出电力系统暂态电压、电流波形中各个分量的角频率、幅值、初相角及衰减常数，并可广泛应用于各类暂态过程波形分析。

A detailed description of the implementation of boundary condition and discretization of source terms in curvilinear coordinates has been provided.

波纹管内流动和换热规律的实验研究及数值模拟波纹管是强化换热的一种十分有效的方式，它在紧凑式换热器中得到了广泛的应用。

In arbitrary curvilinear coordinates,the wall function is used for treating near wall regions.

采用在任意曲线坐标系统下的壁面函数来处理加力燃烧室的筒体和隔热屏壁面附近区域流动。

The pressure correction method is used to calculate the two-dimensional turbulent flow in general curvilinear coordinates.

按照进气箱对称面的形状，给出一种简化的二维进气箱几何模型，用微分方程法生成贴体的曲线网格，在任意曲线坐标系下采用压力修正法数值模拟了其内部二维湍流流动。

Finally, the proposed fully second order accurate projection method on nonstaggered grids is extended successfully to curvilinear coordinates and moving mesh cases.

最后，本文提出的非交错网格上的完全二阶精度的投影方法，在一般坐标系和动网格中到了成功的应用。

A numerical method, where the pressure is used as a primary dependent variable, is presented for the solution of the two-dimensional steady Navier-Stokes equation in general curvilinear coordinates.

本文采用了求解压力速度耦合的SIMPLE算法，以压力为主要求解变量对Navier-Stokes方程进行数值求解。

The hybrid grid system of natural water bodies are in orthogonal body-fitted curvilinear coordinates in horizontal directions, and in Cartesians coordinate in the vertical direction.

天然水域的混合网格系统，在水平方向上是正交贴体坐标系；在垂直方向上则是笛卡尔坐标系。

Therefore, the primary purpose of the present study is to construct the projection methods in higher order accuracy. Furthermore, the proposed projection methods will be applied to nonstaggered grids, curvilinear coordinates, and moving mesh cases.

因此，本文从提高数值方法计算精度入手，构造了高阶时间精度的投影方法，并将投影方法推广到非交错网格和一般坐标系及动网格中。

Geometrical Vectors introduces a more sophisticated approach, which not only brings together many loose ends of the traditional treatment, but also leads directly into the practical use of vectors in general curvilinear coordinates by carefully separating those relationships which are topologically invariant from those which are not.

几何向量引入了更为先进的方法，它不仅汇集了许多传统的治疗无所适从，而且还导致进入载体的实际用途，一般直接通过仔细分离曲线的拓扑关系是从那些没有不变的坐标。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。