查询词典 celestial coordinates

The control unit coordinates the operations of all the other components.

控制单元协调行动的所有其他组件。

This is a realization of the C painting curve procedures, the screen shows a coordinate axis through the keyboard input the coordinates...

这是一个用C实现的画曲线的程序，在屏幕是显示一个坐标轴，通过键盘输入的坐标画出曲线。

This is a realization of the C painting curve procedures, the screen shows a coordinate axis through the keyboard input the coordinates paint curve.

这是一个用C实现的画曲线的程序，在屏幕是显示一个坐标轴，通过键盘输入的坐标画出曲线。

The author then introduces the differential relationship between vectors as well as tensors in a curve coordinate system and curve coordinates, and the transformation relationship between coordinate systems and their matrix expressions.

简要介绍了卫星重力测量中所涉及到的曲线坐标系下矢量、张量与曲线坐标之间的微分关系、坐标系之间的变换关系以及它们的矩阵表示。

This passage study how to produce game using VC programming and three-dimensional geometric techniques, mathematical change and geometric figure techniques firstly, and mastered that how to use API interfaces for achieving the window and the transmission of information as well as coordinate system, the normal line, texture, coordinates and so on.

本文首先研究了利用VC编程以及立体几何技术，数学变换和几何图形技术来制作游戏的方法，掌握了利用API接口创建窗口实现消息传递以及对坐标系，法线，缓存，坐标变换的知识。

Plane coordinate system for the establishment, used to calculate the coordinates of simple calculations and their corresponding vector computing.

详细说明：用于建立平面坐标系，用于计算简单的坐标运算及其相应的向量运算。

Usually the data from GPS coordinates WGS - 84 system, and the geocentric coordinate system is used BJ54 coordinate our plane right-angled coordinate system, to the needs of work, we must coordinate transformation.

通常GPS测量所得数据的坐标是WGS -84系统的地心坐标系统，而我们常用的BJ54坐标是平面直角坐标系统，为了工作的需要，我们必须进行坐标转换。

In this paper, based on the analysis of the structure, movement principle and math model of PMSM, fundamental theories of vector control, coordinates transform and algorithm of space vector PWM are introduced and PI control, speed and position calculation methods are discussed.

本论文在分析了PMSM的结构、运动原理及数学模型的基础上，系统地阐述了PMSM交流伺服系统矢量控制的基本原理、坐标变换方法及空间矢量脉冲宽度调制波的生成算法，论述了PI控制算法和速度位置计算方法。

In this paper,a new method is proposed to analyse the motion of plane methanism by means of complex polar coordinates vector method.

1〕本文提出用复数—极坐标矢量法来分析平面机构的运动，其优点在于分析问题时概念清晰，运算简便，且机构运动愈复杂，优越性愈明显，也为使用电子计算机编制程序提供方便。

For aeronautical static converter then three-phase unbalanced load, made use of four-leg three-phase main circuit topology solution based on abc coordinates of the three-dimensional vector control, so that the switch to select the vector and duty more than a simple calculation, a significant reduction in the modulation of the complexity of the algorithm.

为解决航空静止变流器在不平衡负载情况下不能正常工作的问题，提出了三相四桥臂主电路拓扑解决方案，并采用基于abc 坐标系下的三维空间矢量调制，使开关矢量的选取和占空比的计算简单化，显著降低了调制算法的复杂性。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。