查询词典 projective pencil of lines

It can play MPEG-4, DVD, VCD and digital camera photo on television, computer monitor or projective equipment.

它可以播放MPEG-4，DVD，VCD电影，数码相机照片到电视机，电脑显示器或者投影机上面

Alb, Che and PA were examined by end-point method, enzyme kinetics and immunologic projective turbidimetry method respectively.

血浆清蛋白为终点法、胆碱酯酶为酶动力学法、及前白蛋白免疫投射比浊法。

A low frequency rolling bearing fault diagnosis method based on local projective noise reduction;2. According to characteristics of both the vibration signals and the stator currents when appering a fault in the rolling bearing of the induction motor,Park vector module signal of the three-phase current is calculated,and the envelope of vibration signals from the rolling bearing of the motor is analyzed.

根据感应电机轴承发生故障时的振动信号特性以及定子电流特性，求出三相电流的Park矢量模信号，并将其与电机滚动轴承振动信号经解调处理后的包络信号进行融合分析，可以从振动信号与电流信号的融合谱图中有效地提取轴承故障特征信息，并将其作为故障识别的依据。

Because Teleportation is an extension of Clairsentient ability, there are two categories of Teleportation: Extensive Teleportation and Projective Teleportation.

因为心灵运输是感知他人感情，生死的人能力的外延，心灵运输有二种分类：广泛的心灵运输和投射心灵运输。

Secondly, a commentarial review of this field is given to show the last evolution of it. Although many kinds of useful projective invariance have been derived so far, the sorts of 3D object to which they could be used are still very limited. So there are some needs to develop more powerful invariance for the 3D object recognition. Finally, in the last part of this paper, the future researches in this field are proposed.

0引言 众所周知，3D物体识别是计算机视觉研究的一项重要内容，由于其在军事、工业等社会诸多行业中具有潜在的、巨大的应用价值，半个世纪以来受到各国视觉研究者的广泛关注，并提出了众多的理论和方法川，其中基于几何不变性的3D物体识别方法有助于消除由于观察视角、摄像机参数等

A set of operative projective have been evaluated with regard to compartmental localization of heel to restore its anatomical character and physiological function.

通过将足跟划分区域后，在修复时可指导选择方法简便，损伤孝有无感觉功能的皮瓣。

In view of simplifying the calculation, this paper offers the orthogonal projective method of the least square axis for the evaluation of roundness and cylindricity.

从简化计算量的角度出发，提出了评定圆度和圆柱度的最小二乘轴线正交投影法。

This paper provides a new recognition algorithm based on the projective invariant, it can effectively recognize 3D objects from their 2D images and will not be affected by visual angles. It means that this algorithm can recognize deflective characters directly.

本文提出一种新方法——基于射影不变量的识别算法，正是不受视点的影响，可由任意视角的二维图像识别三维目标，即它可以不经过倾斜校正直接识别出歪斜变形的字符。

Concrete algorithm is firstly recognizing 2D feature obtained from geometric entities, then on the instruction of the shape analysis combining with the projective rulers of mechanical drawing, matching three 2D view features, creating 3D basic model, forming a operation list, finically finished 3D reconstruction.

在重建算法上，利用提取的几何实体进行二维视图特征的识别，在形体分析法的指导下，结合制图中的投影原则匹配三维基本形体，最后按照基本体素的运算序列经过复杂的布尔运算完成重建。

A new equivalent characterization of pure projective left R-modules is given by applying homological methods.

通过同调的方法，给出了纯投射左R-模的一个新的等价刻画。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。