直角

Large Dragons, 1ca, imperforate horizontal pair, with top right corner margins, rare, VF-F

PR 大龙邮票1分银横双连无齿样票，带上右直角边，少见，上中品

C94 Stage Art of Mei Lanfang, imperforate stamps in horizontal pairs, all with corner wide margins, rare, OG, VF

纪94梅兰芳舞台艺术无齿邮票横双连，均带直角宽边，极少见，原胶，上品

Find the relation between the incident ray and the final reflected ray.

两镜子排成直角，求入射线和反射线的关系。

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电脑雕刻模具类：高周波铜模、烫金模、五金塑料模、五金冲压英文字母模、金属工艺品雕刻、贺卡压花模、礼品胶章模、线路版过波峰焊无铅过炉治具、立体浮雕等各种三维电脑雕刻加工……不干胶印刷类：印刷各种不干胶标签、贴纸、条码标、易碎纸、箭头标、服装鞋帽布标、水标、印唛等……橡塑标牌类：水晶滴胶，微量射出，滴塑胶章等……矽利康原料系列类：日本KE-1310ST、KE-1310S、JX-860、JX-850及其色浆、辅助剂和专用工具等……PVC原料系列：高度透明料、PVC糊脂粉、DINP油、光热稳定剂、硬油、PVC色浆……热固油墨系列：低温热固油墨(圆角、直角、光面、哑面)和彩色色浆等……植绒系列：植绒纸、植绒桨、植绒转印纸等……机器系列：自动多色植绒机、立体多彩植胶机、矽利康整套成型机、高频压花机、橡塑标牌流水线设备等…----自开张以来我们都依照经营理念，为了配合客户的需求以及在质量上能达到客户的满意。

Computer carving molds categories: high frequency mode, bronzing die, metal plastic mould, metal stamping letters die, metal crafts sculpture, greeting cards embossed die, plastic gift-chapter, line version of a wave soldering lead-free governance with a furnace, such as three-dimensional relief Three-dimensional sculpture of computer processing… stickers printed categories: all kinds of stickers printed labels, stickers, bar code standard, easy shredding, arrow superscript, subscript cloth clothing shoes and hats, water standard, such as India Mark… Rubber Tag Categories: Crystal Dijiao, micro-injection, drops Chapter plastic raw materials, etc… silicone series categories: Japan KE-1310ST, KE-1310S, JX-860, JX-850 and its color paste, auxiliary agents and special tools… PVC raw materials Series: highly transparent material, PVC powder paste, DINP oil, light and heat stabilizers, hardware oil, PVC heat-ink color paste… Series: low-temperature heat-ink (round, rectangular, smooth, dumb noodles) and color color paste , Etc… flocking Series: Flocking paper, flocking oar, flocking Transfer, etc… machines Series: automatic multi-color flocking machine, planting colorful three-dimensional plastic machine, silicone package molding machines, high-frequency embossing machine, rubber Plastic signs pipeline equipment…---- since we have since opened in accordance with the philosophy, in order to meet customer needs and quality to achieve customer satisfaction.

电脑雕刻模具类：高周波模、烫金模、五金塑料模、五金冲压字母模、金属工艺品雕刻、贺卡压花模、礼品胶章模、线路版过波峰焊无铅过炉治具、立体浮雕等各种三维电脑雕刻加工…不干胶印刷类：印刷各种不干胶标签、贴纸、条码标、易碎纸、箭头标、服装鞋帽布标、水标、印唛等…橡塑标牌类：水晶滴胶，微量射出，滴塑胶章等…矽利康原料系列类：日本KE-1310ST、KE-1310S、JX-860、JX-850及其色浆、辅助剂和专用工具等…PVC原料系列：高度透明料、PVC糊脂粉、DINP油、光热稳定剂、硬油、PVC色浆…热固油墨系列：低温热固油墨(圆角、直角、光面、哑面)和彩色色浆等…植绒系列：植绒纸、植绒桨、植绒转印纸等…机器系列：自动多色植绒机、立体多彩植胶机、矽利康整套成型机、高频压花机、橡塑标牌流水线设备等

Topological space, metric space, normed linear space and inner product space

在直角空间内建立了主从运动映射模型。

Constraint equations are derived to improve the original circle detection algorithm, which based on right triangles inscribed in a circle.

建立了条件约束方程组对基于圆内接直角三角形的圆检测算法加以改进。

An evaluating algorithm of maximum inscribed circle for roundness error in the Cartesian coordinates and a measurement model of roundness error is introduced in this paper.

介绍了一种在直角坐标系下利用最大内接圆法评价圆度误差的方法，建立了圆度测量模型。

The kernel requarment for the rotating invariant property of a TFD based on fractional Fourier transform is proposed and proved in chapter 5. A close formula of Radon-Wigner transform of LFM signalis given. Based on the formula, the distribution of RWT is discussed.

第五章在首先简单介绍分数阶付立叶变换的基础上，提出并证明时—频分布具有旋转不变性对核函数的要求，给出了Radon-Wigner变换在直角坐标系下分布的一个显式公式，据此讨论了RWT分布特点。

He heated the iron rod and bent it into a right angle .

他将铁杆烧热，然后将它弯成直角。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。