扇形
- sector;fan-shaped
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[sector] 一种几何图形,由圆的两个半径及其间的弧围成
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小型化测试仪以H面扇形喇叭探头作为传感器,用小型矢量反射计作为指示器。
The miniaturization apparatus takes H-plane fan-shaped horn antenna as sensor , little vector reflector as indicator .
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采用窄扇形X射线探测器研制成一种预报系统。
The working principles of a prediction system was described which consists of a narrow fan-shaped X-ray detector .
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这只鸟把尾羽展成扇形。
The bird fanned out its tail feathers .
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他们呈扇形散开,在寺庙周围仔细搜寻。
They fanned out and carefully combed the temple grounds .
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库尔特拿起他那手牌,一张张成扇形铺开。
Kurt picked up his hand and fanned out the cards one by one .
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他把牌在手上展成扇形。
He fanned out the cards in his hand .
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部队猛攻敌人的战壕,并在田野上呈扇形散开。
The troops stormed the enemy 's trenches and fanned out across the fields .
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倒置式扇形束CT的算法研究
Study on the Algorithm of the Reverse Geometry Based on Fan Beam CT
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用于CT扇形束扫描图象重建的一种数学方法
CT Image Reconstruction Algorithm from Fan Beam Scans
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关于{x/n}的分布微相平面分布具有扇形结构特征。
The areal distribution of the microfacies has the characteristics of sector configuration .
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扇形浇口热流道注射成型PP方椅背靠
Injection of PP armchair back through fan gate and hot runner
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为了得到扇形成像,提出了一种更一般化的Fourier重建图像的方法,它同样基于一次发射就可重建超声图像。
In order to get sector form images , a generic Fourier image construction is developed .
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根据扇形束CT射线的密度变化关系和面积系统矩阵的计算原理,提出了将密度因子加入系统矩阵的计算方法;
Developed a method of introducing weighting factor to area system matrix for getting more accurate system matrix in fan beam X-ray CT ;
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基于FLUENT的静压轴承椭圆腔和扇形腔静止状态流场仿真
Static Flow Simulation of Hydrostatic Bearing Ellipse and Sector Curve Based on FLUENT
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基于RP技术的扇形雾喷头参数化设计及试验研究
Parametric Design and Experimental Investigations of Fan Nozzle Based on RP
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本文引入了一个新的概念&区域模糊特征μj,以μj为模板在无限可分的具有互补特性的同心圆和扇形窗口上进行特征抽取和模糊塔形决策分类。
A new idea , fuzzy region feature μ _j , is proposed in this paper .
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MD型行星际磁场螺旋扇形过渡区中的不稳定性
Instabilities in the MD Type Spiral Sector Transition Region of the Interplanetary Magnetic Field
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采用Cu,In,Se三元扇形复合靶,在玻璃基片上用射频磁控反应溅射技术制备CuInSe2(CIS)纳米颗粒膜。
CuInSe_2 ( CIS ) nanoparticle thin films have been prepared by RF reactive magnetron sputtering from a fan-shape compound ternary target .
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利用松花江河谷的承压水井抽水试验资料和洮儿河扇形地27个潜水抽水井及其观测孔的抽水试验资料,应用直线图解法分析计算,得到唯一的含水层参数T、K和R。
The pumping test data from the confined wells in the Songhua River valley plain and 27 unconfined wells and observation wells in the Tao'er River fan are analyzed .
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由于此模型将要导入ANSYS软件中,故要对其进行必要的简化,建立起扇形板和大固定钳口的简化模型。
Because this model is imported to the ANSYS software , so simplification to establish a simplified model of the fan-shaped plate and the fixed jaw is necessary .
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利用LMI给出了带有不确定性扇形区域极点配置的可靠控制器存在的充分条件。
Based on LMIs , a sufficient condition for the existence of reliable control with uncertainty of pole configuration is given .
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扇形优化Dijkstra算法
Sector Optimization Dijkstra Algorithm
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应用羰基的八区律、内酯的手性规则和内酯的扇形规则,所预测的这些化合物的cotton效应与实测结果一致,从而指定了它们的绝对构型。
By-using ketone octant rule , lactone chirality rule and lactone sector rule , the predicted cotton effects of these compounds coincided with the result of determination and so the absolute configurations were assigned .
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沿直边非简支的环扇形板的FourierBessel级数解扇形、环形、环扇形板的一般解
Solution of Annular Sector Plate Other Than Simply Suppored Along Radial Edges by Fourier-Bessel Series & General Solution of Sector , Annular and Annular Sector Plate
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提出了一种基于面阵CCD器件,采用光纤和光纤面板进行光耦合及传输的扇形束线阵扫描X射线新型探测器技术。
Optical coupling and transmission performing with optic fiber and fiber optic face plate , a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed .
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在工业X-CT系统中,因X射线束是小角度(一般小于20o)的窄扇形束,对被检物进行检测,其扫描系统主要采用二代扫描方式。
In the X-ICT system , because the radial is narrow , the second generation scanning is adopted .
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通过全息记录实验发现,不同温度下LINBO3:FE,ZN晶体中的扇形噪音对全息记录效果的影响基本相同。
The results of holographic record experiments show that , at different temperatures , the influence of the fanning noise to the holographic record in LiNbO_3 : Fe , Zn crystal is ultimately the same .
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沿直边简支的扇形板Fourier-Bessel级数解
Solution of Sector Plate Simply Supported Along Radial by Fourier Bessel Series
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扇形板自由振动的Fourier-Bessel级数解
Solution of the Free Vibration of a Sector Plate by Fourier-Bessel Series
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20t上开式扇形门曲轨自动卸载箕斗
20 ton tilt - up - fan - gated and curve - guide - auto - unloaded skip