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beckmann造句

"beckmann"是什么意思  
造句与例句手机版
  • Verification regulation of beckmann thermometer
    贝克曼温度计检定规程
  • Bdt beckmann differential thermometer
    贝克曼差示温度计
  • Mathematical relationships between the three - parameter zipf law and the beckmann model of city hierarchies
    规模模型的分形与分维
  • Laboratory glassware ; beckmann thermometers , adjustable range enclosed scale thermometers
    实验室玻璃仪器.贝克曼温度计.量度范围可调的封装式
  • Very large data bases , brighton , england , 1987 , pp . 507 - 518 . 26 beckmann n , kriegel h - p , schneider r , seeger b . the r - tree : an efficient and robust access method for points and rectangles . in proc
    Iv在各种各样的设置下利用合成的与真实的数据进行大量的实验评估实验结果表明本文提出的算法在效率和扩展性上均大大胜过其它同类算法。
  • Management data , boston , usa , 1984 , pp . 47 - 54 . 3 beckmann n , kriegel h - p , schneider r , seeger b . the r - tree : an efficient and robust access method for points and rectangles . in proc
    对cdt索引来说,首先高维数据点通过k平均聚类算法得到若干类,然后分别计算该点对应的始点与质心距离,并且将这两个距离通过线性组合得到该点的复合索引键值。
  • The reflective light filed distribution is studied in great detail with diffraction approach , which is based on the quasi - gaussian beam model of the light emitted from the multimode transmitting fiber and conclusions drawn by beckmann on the scattering light from random rough reflector
    引入了beckmann关于随机粗糙表面光散射理论的相关研究结论,基于衍射分析法建立了准高斯光经过反射面后的反射光分布模型。
  • Furbenicillin sodium , a known semi - synthetic ureide type of antibiotic firstly marketed in china , was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction , beckmann rearrangement , isocyannuration , amination , condensation and salification etc
    摘要以呋喃甲醛为起始原料,经厉化、贝克曼重排、异氰脲酸化、氨基化、缩合和成盐6步反应,合成了酰脲类青霉素抗生素呋布西林钠。
  • Beckmann thermometers are designed to measure small temperature differences . hence the calibration of a beckmann thermometer refers to comparing the true temperature differences obtained from the laboratory s standard thermometers against the observed temperature differences indicated by scale readings of the unit under test
    贝克曼温度计是用于测量微细的温差,因此本所将其标准温度计所录得的真正温差与接受测试元件的标度读数所显示的观察温差进行对比,以校正贝克曼温度计。
  • It's difficult to see beckmann in a sentence. 用beckmann造句挺难的
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