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The dielectric spectra of 22 samples are analysed and different mathematical models for predicating ethanol content are compared.
对配制的22个样品的介电谱进行了分析，对预测乙醇含量的不同数学模型做了比较。
The emission spectra of he plasma were measured by using three types of experiment devices: dielectric barrier discharge device, hollow-cathode discharge device and Penning discharge device.
采用三种实验装置(介质阻挡放电装置、空心阴极放电装置和彭宁放电装置)分别测量了不同压强范围内氦等离子体的发射光谱。
The transmission spectra of TM mode in the bend waveguide with triangular lattice of dielectric rods and TE mode in the bend waveguide have been calculated.
利用金属镜面微腔激光器中真空场和量子阱中电子态函数，对比了TE模和TM模的自发发射谱。
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