Cairo is a free software vector drawing library that can draw to multiple output formats. cairo是一个免费的矢量绘图软件库,它可以绘制多种输出格式。
This is a simple procedure to free up the memory allocated by the runtime to the interface ID vector structure. 这个简单的例程释放运行时分配给接口ID向量结构的内存。
Download free Joker cards in vector format. 免费下载小丑卡的矢量格式。
In the ultrasonic profiling measurement of free form surface whose CAD model is unknown, it is necessary to estimate position and normal vector of each sampling point in advance. 对数学模型未知的自由曲面进行超声仿形测量时,必须事先估算各采样点的位置和法矢。
Prediction of Gibbs Free Energy of Formation of Organic Compounds Based on Support Vector Machines 基于支撑向量机方法的有机化合物的生成Gibbs自由能的预测
From the spatial kinematic point of view, in order to keep the relative position between the cutter and work piece unchanged, the kinematic transformation from traditional machine tools to free form ones can be simply realized by two times of vector revolution. 从空间运动学的观点来看,为保持加工过程中刀具与工件之间的相对位置不变,传统机床与Freeform型机床的运动转换只需进行2次矢量旋转即可简单实现。
From Maxwell equations for free space and by converting the amplitudes in Fourier expansion of the vector potential into operators according to quantisation correspondence, this paper obtains Hamiltonian operator, which quantises the electromagnetic field, and introduces the number state representation for the field. 本文从真空中麦克斯韦方程组出发,通过把矢势的Fourier展开式中的振幅按照量子化对应化为算符,得到了哈密顿算符,从而实现了电磁场的量子化,同时给出了电磁场的数态描述。
The system employs the free ActiveX graphics control of AutoCAD, Whip, and its special vector drawing file format of DWF, to publish the 2D engineering drawings to the Web. 本系统采用AutoCAD的免费ActiveX图形浏览控件Whip!,以其专用的DWF矢量文件格式,实现了二维工程图的网络发布。
The evolutions of free surface, inner field structure and velocity vector at different time were studied, and the final results were compared with experimental data. 文中给出了淹没水跃在不同时刻自由表面形状、内部流场结构和流速矢量的变化情况,并与试验资料进行了比较。
Theoretical inferences have been made from the design and the important payload capability of the standing skyline partial suspended logging cableway stated in the paper ( 1) by means of free body and vector analysis. 对文献〔1〕建立的两端固定式半悬空集材索道设计的数学模型,以及极关重要的许可载量分别按隔离体法和矢量作图法进行了理论推导。
Adjustment of a Monitoring Free Network by Minimizing the First Norm of the Displacement Vector 位移向量的L~1范数为最小的监测网平差
With force free model, it is shown that the photospheric transverse current is independent of the sense of the transverse field and can be found completely by vector magnetographic measurement. 并证明了光球横向电流与横向磁场的指向无关,因而完全可以由向量磁象仪测定。
The electric field which is produced by free surface charge on the interface lies in both ends of the interface and is added to original electric field in opposite direction, which results in normal component discontinuation of dielectric displacement vector. 界面上的自由面电荷所产生的电场,在界面两侧,以相反的方向叠加在原电场上,导致了电位移矢量的法向分量的不连续;
Hereby, we suggest that: ( 1) the concept of free vector should appear in the text. 据此,我们对向量教学、教材编写以及教师培训提出若干建议:(1)教材应明确提出自由向量概念。
Finally, a numerical model of the gradual break analyzes the changes of the shape of free surface and velocity vector. 最后,建立逐渐溃坝数值模型,分析了逐渐溃坝的水面形态及速度矢量的变化。